When Acererak the Archlich enters the battlefield, if you haven't completed Tomb of Annihilation, return Acererak the Archlich to its owner's hand and venture into the dungeon.

Whenever Acererak the Archlich attacks, for each opponent, you create a 2/2 black Zombie creature token unless that player sacrifices a creature.

For each attacking creature, its owner puts it on the top or bottom of their library.

Enchant creature

Enchanted creature can't be blocked.

Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Arcane Sanctum enters the battlefield tapped.

{T}: Add {W}, {U}, or {B}.

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

Flying

When Ashen Rider enters the battlefield or dies, exile target permanent.

Azorius Chancery enters the battlefield tapped.

When Azorius Chancery enters the battlefield, return a land you control to its owner's hand.

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

Flying, deathtouch

When Baleful Strix enters the battlefield, draw a card.

Flash

Whenever an opponent puts one or more counters on a creature they control, they put the same number and kind of counters on Bold Plagiarist.

Tap all creatures your opponents control. Creatures you control gain lifelink until end of turn.

{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

As Choked Estuary enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, Choked Estuary enters the battlefield tapped.

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

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

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

Sacrifice Commander's Sphere: Draw a card.

{T}, Remove a component counter from Component Pouch: Add two mana of different colors.

{T}: Roll a d20.

1--9 | Put a component counter on Component Pouch.

10--20 | Put two component counters on Component Pouch.

Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

When Coral Trickster is turned face up, you may tap or untap target permanent.

Whenever an opponent attacks you and/or one or more planeswalkers you control, exile the top card of that player's library. You may play that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast it.

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

Exile target permanent with mana value 4 or greater.

Dimir Aqueduct enters the battlefield tapped.

When Dimir Aqueduct enters the battlefield, return a land you control to its owner's hand.

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

Counter target spell with mana value 4 or greater.

{T}: Add {C}.

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

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

Target opponent chooses X cards from their hand. Look at those cards. You may cast a spell from among them without paying its mana cost.

Destroy target artifact, enchantment, or planeswalker.

{T}: Add {C}.

{2}, {T}: Each player draws a card, then discards a card.

{T}: Add {C}.

{1}, {T}, Sacrifice Grixis Panorama: Search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Whenever Guild Thief deals combat damage to a player, put a +1/+1 counter on it.

Cunning Action -- {3}{U}: Guild Thief can't be blocked this turn.

Room abilities of dungeons you own trigger an additional time.

{T}: Add {C}.

{T}, Sacrifice a creature: You gain 1 life.

If you control two or more other lands, Hive of the Eye Tyrant enters the battlefield tapped.

{T}: Add {B}.

{3}{B}: Until end of turn, Hive of the Eye Tyrant becomes a 3/3 black Beholder creature with menace and "Whenever this creature attacks, exile target card from defending player's graveyard." It's still a land.

When Hostage Taker enters the battlefield, exile another target creature or artifact until Hostage Taker leaves the battlefield. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. Put a +1/+1 counter on a creature you control.

Flying, vigilance

When Icingdeath, Frost Tyrant dies, create Icingdeath, Frost Tongue, a legendary white Equipment artifact token with "Equipped creature gets +2/+0," "Whenever equipped creature attacks, tap target creature defending player controls," and equip {2}.

Creature tokens you control get +1/+1 and have vigilance.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Whenever Krydle of Baldur's Gate deals combat damage to a player, that player loses 1 life and mills a card, then you gain 1 life and scry 1.

Whenever you attack, you may pay {2}. If you do, target creature can't be blocked this turn.

Whenever a creature you control dies, put a loyalty counter on Lolth, Spider Queen.

0: You draw a card and you lose 1 life.

-3: Create two 2/1 black Spider creature tokens with menace and reach.

-8: You get an emblem with "Whenever an opponent is dealt combat damage by one or more creatures you control, if that player lost less than 8 life this turn, they lose life equal to the difference."

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

When Meteor Golem enters the battlefield, destroy target nonland permanent an opponent controls.

Creatures you control can't be blocked except by legendary creatures.

Whenever one or more creatures you control deal combat damage to a player, venture into the dungeon. (Enter the first room or advance to the next room.)

Flying

When Mulldrifter enters the battlefield, draw two cards.

Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Vigilance

Whenever Nadaar, Selfless Paladin enters the battlefield 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.

{T}: Add {C}.

{T}: Add {W}. Activate only if you control an Island.

{T}: Add {U}. Activate only if you control a Plains.

Orzhov Basilica enters the battlefield tapped.

When Orzhov Basilica enters the battlefield, return a land you control to its owner's hand.

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

When Plaguecrafter enters the battlefield, each player sacrifices a creature or planeswalker. Each player who can't discards a card.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

As Port Town enters the battlefield, you may reveal a Plains or Island card from your hand. If you don't, Port Town enters the battlefield tapped.

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

({T}: Add {W} or {U}.)

Prairie Stream enters the battlefield tapped unless you control two or more basic lands.

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.

Whenever a player casts an instant or sorcery spell, exile it instead of putting it into a graveyard as it resolves.

{X}, {T}, Sacrifice Rod of Absorption: You may cast any number of spells from among cards exiled with Rod of Absorption with total mana value X or less without paying their mana costs.

(Gain the next level as a sorcery to add its ability.)

Whenever a creature you control deals combat damage to a player, exile the top card of that player's library face down. You may look at it for as long as it remains exiled.

{1}{U}{B}: Level 2

Creatures you control have menace.

{2}{U}{B}: Level 3

You may play cards exiled with Rogue Class, and you may spend mana as though it were mana of any color to cast those spells.

Scrapdiver Serpent can't be blocked as long as defending player controls an artifact.

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.

Tap another untapped Rogue you control: Shadow Stinger gains deathtouch until end of turn.

Whenever Shadow Stinger deals combat damage to a player, that player mills three cards. (They put the top three cards of their library into their graveyard.)

Whenever Shortcut Seeker deals combat damage to a player, venture into the dungeon. (Enter the first room or advance to the next room.)

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

When Shriekmaw enters the battlefield, destroy target nonartifact, nonblack creature.

Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

{U}, {T}: Until your next turn, target creature an opponent controls can't be blocked. Goad that creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Flash

Flying

As long as an opponent has eight or more cards in their graveyard, Rogues you control get +1/+0.

Whenever one or more Rogues you control attack, each opponent mills two cards.

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

Vigilance

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

Flying

When Sunblast Angel enters the battlefield, destroy all tapped creatures.

({T}: Add {U} or {B}.)

Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

Exile target creature. Its controller gains life equal to its power.

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

When Thieves' Tools enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Equipped creature can't be blocked as long as its power is 3 or less.

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Whenever you attack, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Whenever you sacrifice a Clue, venture into the dungeon. (Enter the first room or advance to the next room.)

Thriving Heath enters the battlefield tapped.

As Thriving Heath enters the battlefield, choose a color other than white.

{T}: Add {W} or one mana of the chosen color.

Thriving Isle enters the battlefield tapped.

As Thriving Isle enters the battlefield, choose a color other than blue.

{T}: Add {U} or one mana of the chosen color.

Thriving Moor enters the battlefield tapped.

As Thriving Moor enters the battlefield, choose a color other than black.

{T}: Add {B} or one mana of the chosen color.

Return target creature card from your graveyard to the battlefield.

Flashback {3}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant creature

When Unquestioned Authority enters the battlefield, draw a card.

Enchanted creature has protection from creatures.

Exile target nonland permanent.

Exile target monocolored permanent.

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

Equipped creature gets +2/+0 and has deathtouch.

{5}{B}{B}{B}: Until end of turn, Vorpal Sword gains "Whenever equipped creature deals combat damage to a player, that player loses the game."

Equip {B}{B}

Defender

When Wall of Omens enters the battlefield, draw a card.

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Flying

Ward--Discard a card. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player discards a card.)

Whenever Westgate Regent deals combat damage to a player, put that many +1/+1 counters on it.

{3}{U}: Target creature can't be blocked this turn.

At the beginning of your upkeep, choose target opponent. Until end of turn, that player can't cast spells, you may look at the top card of their library any time, you may play the top card of their library, and you may spend mana as though it were mana of any color to cast spells this way.

Yuan-Ti Malison can't be blocked as long as it's attacking alone.

Whenever Yuan-Ti Malison deals combat damage to a player, venture into the dungeon. (Enter the first room or advance to the next room.)