Concept build / 100-CARD BUILD

Sefris of the Hidden Ways

Esper

Every ending opens a door.

Take the rooms, then take them again. Browse the concept build’s cards and rules.

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MEET YOUR COMMANDERSefris of the Hidden Ways

Sefris of the Hidden Ways · Featured commander

STRATEGY · 3 PHASES

How this build plays

The prospective dungeon list puts creatures into the graveyard in several ways, advances rooms across turns and returns expensive creatures after completing a dungeon. Sefris’s once-per-turn limit rewards timing rather than a single huge mill.

01SET THE STAGE
Give the dungeon a fresh turn
Cryptbreaker discards a card as part of its activation. Discard a creature with Sefris present to venture, using the ability on an opponent’s turn if mana and tapping allow. Stitcher’s Supplier can also mill creature cards on entry or death, but Sefris still triggers only once each turn.
- Sefris of the Hidden Ways
- Cryptbreaker
- Stitcher's Supplier
Rules text for these cards
Sefris of the Hidden Ways
Whenever one or more creature cards are put into your graveyard from anywhere, venture into the dungeon. This ability triggers only once each turn. (To venture into the dungeon, enter the first room or advance to the next room.) Create Undead — Whenever you complete a dungeon, return target creature card from your graveyard to the battlefield.
Cryptbreaker
{1}{B}, {T}, Discard a card: Create a 2/2 black Zombie creature token. Tap three untapped Zombies you control: You draw a card and lose 1 life.
Stitcher's Supplier
When this creature enters or dies, mill three cards. (Put the top three cards of your library into your graveyard.)
02BUILD THE ENGINE
Take the rooms, then take them again
Radiant Solar ventures when another nontoken creature you control enters, providing dungeon progress independent of Sefris’s once-per-turn trigger. Hama Pashar makes dungeon room abilities trigger an additional time; it does not itself advance you through extra rooms.
- Sefris of the Hidden Ways
- Radiant Solar
- Hama Pashar, Ruin Seeker
Rules text for these cards
Sefris of the Hidden Ways
Whenever one or more creature cards are put into your graveyard from anywhere, venture into the dungeon. This ability triggers only once each turn. (To venture into the dungeon, enter the first room or advance to the next room.) Create Undead — Whenever you complete a dungeon, return target creature card from your graveyard to the battlefield.
Radiant Solar
Flying, lifelink Whenever this creature or another nontoken creature you control enters, venture into the dungeon. (Enter the first room or advance to the next room.) {W}, Discard this card: Venture into the dungeon and you gain 3 life.
Hama Pashar, Ruin Seeker
Room abilities of dungeons you own trigger an additional time.
03CARRY IT THROUGH
The reward is a creature worth revisiting
Buried Alive can put Archon of Cruelty into your graveyard. Completing a dungeon with Sefris then returns a targeted creature, allowing the Archon’s entry to force a sacrifice, discard and life loss while you draw and gain life. Sefris must still be present for that completion trigger.
- Sefris of the Hidden Ways
- Buried Alive
- Archon of Cruelty
Rules text for these cards
Sefris of the Hidden Ways
Whenever one or more creature cards are put into your graveyard from anywhere, venture into the dungeon. This ability triggers only once each turn. (To venture into the dungeon, enter the first room or advance to the next room.) Create Undead — Whenever you complete a dungeon, return target creature card from your graveyard to the battlefield.
Buried Alive
Search your library for up to three creature cards, put them into your graveyard, then shuffle.
Archon of Cruelty
Flying Whenever this creature enters or attacks, target opponent sacrifices a creature or planeswalker of their choice, discards a card, and loses 3 life. You draw a card and gain 3 life.

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Sefris of the Hidden Ways

Whenever one or more creature cards are put into your graveyard from anywhere, venture into the dungeon. This ability triggers only once each turn. (To venture into the dungeon, enter the first room or advance to the next room.) Create Undead — Whenever you complete a dungeon, return target creature card from your graveyard to the battlefield.

Stitcher's Supplier

When this creature enters or dies, mill three cards. (Put the top three cards of your library into your graveyard.)

Cryptbreaker

{1}{B}, {T}, Discard a card: Create a 2/2 black Zombie creature token. Tap three untapped Zombies you control: You draw a card and lose 1 life.

Undead Butler

When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.) When this creature dies, you may exile it. When you do, return target creature card from your graveyard to your hand.

Nadaar, Selfless Paladin

Vigilance Whenever Nadaar enters or attacks, venture into the dungeon. (Enter the first room or advance to the next room.) Other creatures you control get +1/+1 as long as you've completed a dungeon.

White Plume Adventurer

When this creature enters, you take the initiative. At the beginning of each opponent's upkeep, untap a creature you control. If you've completed a dungeon, untap all creatures you control instead.

Fiend Hunter

When this creature enters, you may exile another target creature. When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Soulherder

Whenever a creature is exiled from the battlefield, put a +1/+1 counter on this creature. At the beginning of your end step, you may exile another target creature you control, then return that card to the battlefield under its owner's control.

Eccentric Apprentice

Flying When this creature enters, venture into the dungeon. (Enter the first room or advance to the next room.) At the beginning of combat on your turn, if you've completed a dungeon, up to one target creature becomes a Bird with base power and toughness 1/1 and flying until end of turn.

Champion of Wits

When this creature enters, you may draw cards equal to its power. If you do, discard two cards. Eternalize {5}{U}{U} ({5}{U}{U}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Snake Wizard with no mana cost. Eternalize only as a sorcery.)

Displacer Beast

When this creature enters, venture into the dungeon. (Enter the first room or advance to the next room.) Displacement — {3}{U}: Return this creature to its owner's hand.

Acererak the Archlich

When Acererak enters, if you haven't completed Tomb of Annihilation, return Acererak to its owner's hand and venture into the dungeon. Whenever Acererak attacks, for each opponent, you create a 2/2 black Zombie creature token unless that player sacrifices a creature of their choice.

Plaguecrafter

When this creature enters, each player sacrifices a creature or planeswalker of their choice. Each player who can't discards a card.

Master of Death

When this creature enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) At the beginning of your upkeep, if this card is in your graveyard, you may pay 1 life. If you do, return it to your hand.

Obsessive Stitcher

{T}: Draw a card, then discard a card. {2}{U}{B}, {T}, Sacrifice this creature: Return target creature card from your graveyard to the battlefield.

Woe Strider

When this creature enters, create a 0/1 white Goat creature token. Sacrifice another creature: Scry 1. Escape—{3}{B}{B}, Exile four other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.) This creature escapes with two +1/+1 counters on it.

Hama Pashar, Ruin Seeker

Room abilities of dungeons you own trigger an additional time.

Barrowin of Clan Undurr

When Barrowin enters, venture into the dungeon. (Enter the first room or advance to the next room.) Whenever Barrowin attacks, return up to one creature card with mana value 3 or less from your graveyard to the battlefield if you've completed a dungeon.

Oriq Loremage

{T}: Search your library for a card, put it into your graveyard, then shuffle. If it's an instant or sorcery card, put a +1/+1 counter on this creature.

Body Launderer

Deathtouch Whenever another nontoken creature you control dies, this creature connives. When this creature dies, return another target non-Rogue creature card with equal or lesser power from your graveyard to the battlefield.

Doom Whisperer

Flying, trample Pay 2 life: Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Oskar, Rubbish Reclaimer

This spell costs {1} less to cast for each different mana value among cards in your graveyard. Whenever you discard a nonland card, you may cast it from your graveyard.

Sun Titan

Vigilance Whenever this creature enters or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.

Radiant Solar

Flying, lifelink Whenever this creature or another nontoken creature you control enters, venture into the dungeon. (Enter the first room or advance to the next room.) {W}, Discard this card: Venture into the dungeon and you gain 3 life.

Tomb of Horrors Adventurer

When this creature enters, you take the initiative. Whenever you cast your second spell each turn, copy it. If you've completed a dungeon, copy that spell twice instead. You may choose new targets for the copies. (A copy of a permanent spell becomes a token.)

Scholar of the Ages

When this creature enters, return up to two target instant and/or sorcery cards from your graveyard to your hand.

Meteor Golem

When this creature enters, destroy target nonland permanent an opponent controls.

Archon of Cruelty

Flying Whenever this creature enters or attacks, target opponent sacrifices a creature or planeswalker of their choice, discards a card, and loses 3 life. You draw a card and gain 3 life.

Astral Dragon

Flying Project Image — When this creature enters, create two tokens that are copies of target noncreature permanent, except they're 3/3 Dragon creatures in addition to their other types, and they have flying.

Triplicate Titan

Flying, vigilance, trample When this creature dies, create a 3/3 colorless Golem artifact creature token with flying, a 3/3 colorless Golem artifact creature token with vigilance, and a 3/3 colorless Golem artifact creature token with trample.

Sol Ring

{T}: Add {C}{C}.

Arcane Signet

{T}: Add one mana of any color in your commander's color identity.

Fellwar Stone

{T}: Add one mana of any color that a land an opponent controls could produce.

Grinding Station

{T}, Sacrifice an artifact: Target player mills three cards. Whenever an artifact enters, you may untap this artifact.

Dungeon Map

{T}: Add {C}. {3}, {T}: Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.)

Chromatic Lantern

Lands you control have "{T}: Add one mana of any color." {T}: Add one mana of any color.

Coalition Relic

{T}: Add one mana of any color. {T}: Put a charge counter on this artifact. At the beginning of your first main phase, remove all charge counters from this artifact. Add one mana of any color for each charge counter removed this way.

Relic of Legends

{T}: Add one mana of any color. Tap an untapped legendary creature you control: Add one mana of any color.

Midnight Clock

{T}: Add {U}. {2}{U}: Put an hour counter on this artifact. At the beginning of each upkeep, put an hour counter on this artifact. When the twelfth hour counter is put on this artifact, shuffle your hand and graveyard into your library, then draw seven cards. Exile this artifact.

Ashnod's Altar

Sacrifice a creature: Add {C}{C}.

Blasting Station

{T}, Sacrifice a creature: This artifact deals 1 damage to any target. Whenever a creature enters, you may untap this artifact.

Land Tax

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Thorough Investigation

Whenever you attack, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") Whenever you sacrifice a Clue, venture into the dungeon. (Enter the first room or advance to the next room.)

Dark Ritual

Add {B}{B}{B}.

Corpse Churn

Mill three cards, then you may return a creature card from your graveyard to your hand. (To mill three cards, put the top three cards of your library into your graveyard.)

Anguished Unmaking

Exile target nonland permanent. You lose 3 life.

Flawless Maneuver

If you control a commander, you may cast this spell without paying its mana cost. Creatures you control gain indestructible until end of turn.

Generous Gift

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Void Rend

This spell can't be countered. Destroy target nonland permanent.

Bar the Gate

Counter target creature or planeswalker spell. Venture into the dungeon. (Enter the first room or advance to the next room.)

Unwind

Counter target noncreature spell. Untap up to three lands.

Frantic Search

Draw two cards, then discard two cards. Untap up to three lands.

Revivify

Roll a d20 and add the number of creature cards in your graveyard that were put there from the battlefield this turn. 1—14 | Return all creature cards in your graveyard that were put there from the battlefield this turn to your hand. 15+ | Return those cards from your graveyard to the battlefield.

Unbreakable Formation

Creatures you control gain indestructible until end of turn. Addendum — If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn.

Unearth

Return target creature card with mana value 3 or less from your graveyard to the battlefield. Cycling {2} ({2}, Discard this card: Draw a card.)

Buried Alive

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

Victimize

Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.

Call of the Death-Dweller

Return up to two target creature cards with total mana value 3 or less from your graveyard to the battlefield. Put a deathtouch counter on either of them. Then put a menace counter on either of them.

Toxic Deluge

As an additional cost to cast this spell, pay X life. All creatures get -X/-X until end of turn.

Sevinne's Reclamation

Return target permanent card with mana value 3 or less from your graveyard to the battlefield. If this spell was cast from a graveyard, you may copy this spell and may choose a new target for the copy. Flashback {4}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Clear the Mind

Target player shuffles their graveyard into their library. Draw a card.

Patch Up

Return up to three target creature cards with total mana value 3 or less from your graveyard to the battlefield.

Dread Return

Return target creature card from your graveyard to the battlefield. Flashback—Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Austere Command

Choose two — • Destroy all artifacts. • Destroy all enchantments. • Destroy all creatures with mana value 3 or less. • Destroy all creatures with mana value 4 or greater.

Command Tower

{T}: Add one mana of any color in your commander's color identity.

Exotic Orchard

{T}: Add one mana of any color that a land an opponent controls could produce.

Underground River

{T}: Add {C}. {T}: Add {U} or {B}. This land deals 1 damage to you.

Adarkar Wastes

{T}: Add {C}. {T}: Add {W} or {U}. This land deals 1 damage to you.

Caves of Koilos

{T}: Add {C}. {T}: Add {W} or {B}. This land deals 1 damage to you.

Vault of Champions

This land enters tapped unless you have two or more opponents. {T}: Add {W} or {B}.

Clearwater Pathway

{T}: Add {U}. {T}: Add {B}.

Hengegate Pathway

{T}: Add {W}. {T}: Add {U}.

Brightclimb Pathway

{T}: Add {W}. {T}: Add {B}.

Watery Grave

({T}: Add {U} or {B}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Hallowed Fountain

({T}: Add {W} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Godless Shrine

({T}: Add {W} or {B}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Takenuma, Abandoned Mire

{T}: Add {B}. Channel — {3}{B}, Discard this card: Mill three cards, then return a creature or planeswalker card from your graveyard to your hand. This ability costs {1} less to activate for each legendary creature you control.

Plains

({T}: Add {W}.)

Island

({T}: Add {U}.)

Swamp

({T}: Add {B}.)

Commander

1 card

1×Sefris of the Hidden WaysLegendary Creature — Human Wizard · Printing not specified

Creature

29 cards

Artifact

11 cards

Enchantment

2 cards

1×Land TaxEnchantment · Printing not specified 1×Thorough InvestigationEnchantment · Printing not specified

Instant

11 cards

Sorcery

10 cards

Land

36 cards

PREGAME CONVERSATION · Planned

Commander Bracket Assessment

Rules-Based Bracket: No raised minimumEstimated Power Bracket: Mid 3–High 3

Based on the 100-card main deck; sideboard excluded. The Rules-Based Bracket is the lowest bracket this card list allows under Commander bracket rules. The Estimated Power Bracket is a personal estimate of how strongly the deck plays. It is not an official rating.

Evidence and limitations

Rules-Based Bracket · minimum

No raised minimum found in the checked restrictions. This does not establish Exhibition intent, Core fit or absence of every possible combo.

Exact Game Changers: None.

Mass land denial registry: None identified in the checked registry. Modal or repeated-land targeting still requires a pregame discussion.

Your extra-turn cards: None identified in the checked registry. Opponent turns from Emrakul or gifts are not counted as your own chain.

Confirmed early two-card lethal or turn-chain flags are not inferred from keywords. This is a lower bound, not a complete combo solver or permission to delay a consistently early line until turn seven. Agreed Rule Zero / Exhibition exceptions are outside this ordinary-restriction check.

Estimated Power Bracket · Mid 3–High 3

Estimated from the card list alone, not from tracked win rates or game results.

Discard/mill and independent venture effects feed a reanimation plan. Buried Alive chooses creatures, but does not by itself complete a dungeon or find all noncreature combo pieces.

Assembly and timing: Sefris’s graveyard trigger is once per turn; using opponents’ turns requires actual activations or events. Several pieces precede a repeatable resource engine, without a proven early two-card win.

Recovery and constraints: Reanimation offers good recovery unless graveyards are shut off; removing venture pieces can slow the route back.

Curve: 3.42 average nonland mana value. Cheap mana/land-search text: Sol Ring · Arcane Signet · Fellwar Stone · Dark Ritual. This text-derived reading aid is not an official score.

Search-library evidence: Oriq Loremage · Land Tax · Buried Alive. This includes restricted and land searches; efficient tutor overlap is reviewed separately above. There is no official tutor-count cap.

Fast mana indicators: Sol Ring. Conditional free interaction: None identified in the checked registry. Conditions and resource costs still apply.

Key cards: Sefris of the Hidden Ways · Radiant Solar · Hama Pashar, Ruin Seeker · Buried Alive.

Official sources checked 2026-10-31; criteria update 2025-10-21, Game Changers update 2026-02-09. Method and official source links. Brackets 4 and 5 share structural freedom; competitive intent cannot be inferred from these counts.