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.

As Agadeem, the Undercrypt enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.

: Add .

Activated abilities of creatures you control cost less to activate, where X is Agatha of the Vile Cauldron's power. This effect can't reduce the mana in that cost to less than one mana.

: Other creatures you control get +1/+1 and gain trample and haste until end of turn.

+1: Put a +1/+1 counter on up to one target creature.

−3: Target creature gains flying and double strike until end of turn.

−8: Create X 2/2 white Cat creature tokens, where X is your life total.

This spell can't be countered.

Green spells you control can't be countered.

: Until end of turn, each Elf creature you control has base power and toughness 5/5 and becomes a Dinosaur in addition to its other creature types.

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

Whenever Anafenza, the Foremost attacks, put a +1/+1 counter on another target tapped creature you control.

If a nontoken creature an opponent owns would die or a creature card not on the battlefield would be put into an opponent's graveyard, exile that card instead.

Whenever you cast a spell that's one or more colors, you may gain 1 life for each of that spell's colors. Do this only once each turn.

: Add one mana of any color.

Equipped creature gets +3/+1.

Whenever equipped creature attacks, create two tapped 1/1 white Spirit creature tokens with flying. If that creature is legendary, instead create two of those tokens that are tapped and attacking.

Equip

Exile target nonland permanent. You lose 3 life.

Protection from white and from black

Whenever you cast a creature spell, put a +1/+1 counter on Animar, Soul of Elements.

Creature spells you cast cost less to cast for each +1/+1 counter on Animar.

Apex Observatory enters the battlefield tapped. As it enters, choose a card type shared among two exiled cards used to craft it.

: The next spell you cast this turn of the chosen type can be cast without paying its mana cost.

, : Target player draws a card, then exiles a card from their hand. If a creature card is exiled this way, that player creates a token that's a copy of that card.

When Arcane Artisan leaves the battlefield, exile all tokens created with it at the beginning of the next end step.

More Than Meets the Eye (You may cast this card converted for .)

First strike

, Remove one or more +1/+1 counters from Arcee: It deals that much damage to target creature. Convert Arcee.

Shroud (This creature can't be the target of spells or abilities.)

Whenever you cast an enchantment spell, draw a card.

, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

+2: Add .

0: Until end of turn, Arlinn, the Moon's Fury becomes a 5/5 Werewolf creature with trample, indestructible, and haste.

At the beginning of your upkeep, put a time counter on As Foretold.

Once each turn, you may pay rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on As Foretold.

When Assimilation Aegis enters the battlefield, exile up to one target creature until Assimilation Aegis leaves the battlefield.

Whenever Assimilation Aegis becomes attached to a creature, for as long as Assimilation Aegis remains attached to it, that creature becomes a copy of a creature card exiled with Assimilation Aegis.

Equip

Flying

Whenever a source you control deals damage to you, put that many +1/+1 counters on Auntie Blyte, Bad Influence.

, , Remove X +1/+1 counters from Auntie Blyte: It deals X damage to any target.

Flying

When this creature transforms into Avacyn, the Purifier, it deals 3 damage to each other creature and each opponent.

, : Draw a card, then exile a card from your hand. If cards with five or more different mana values are exiled with Azor's Gateway, you gain 5 life, untap Azor's Gateway, and transform it.

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.

+1: Put a +1/+1 counter on up to one target creature. It gains indestructible until end of turn.

−2: Whenever one or more nontoken creatures attack this turn, create that many 1/1 white Soldier creature tokens that are tapped and attacking.

−6: You get an emblem with "At the beginning of combat on your turn, create a 1/1 white Soldier creature token, then put a +1/+1 counter on each creature you control."

Whenever you crank Bee-Bee Gun, until end of turn, target creature gains ": This creature fights another target creature."

Cast this spell only before the combat damage step.

Target creature gains trample and gets +X/+0 until end of turn, where X is its power. At the beginning of the next end step, destroy that creature if it attacked this turn.

At the beginning of your upkeep, you lose 1 life and create a 1/1 black Faerie Rogue creature token with flying.

Blackcleave Cliffs enters the battlefield tapped unless you control two or fewer other lands.

: Add or .

Modular 3

, : Move X +1/+1 counters from Blaster onto another target artifact. That artifact gains haste until end of turn. If Blaster has no +1/+1 counters on it, convert it. Activate only as a sorcery.

Living metal (As long as it's your turn, this Vehicle is also a creature.)

At the beginning of combat on your turn, choose flying or indestructible at random. Blitzwing gains that ability until end of turn.

Whenever Blitzwing deals combat damage to a player, convert it.

Nonbasic lands are Mountains.

Haste

When Bloodthirsty Adversary enters the battlefield, you may pay any number of times. When you pay this cost one or more times, put that many +1/+1 counters on Bloodthirsty Adversary, then exile up to that many target instant and/or sorcery cards with mana value 3 or less from your graveyard and copy them. You may cast any number of the copies without paying their mana costs.

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

Bonfire of the Damned deals X damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.

Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Boseiju, Who Shelters All enters the battlefield tapped.

, Pay 2 life: Add . If that mana is spent on an instant or sorcery spell, that spell can't be countered.

Flash

Flying

Brazen Borrower can block only creatures with flying.

Flying

Whenever a player attacks one of your opponents, if that opponent has more life than another of your opponents, that attacking player draws a card and you put two +1/+1 counters on a creature you control.

Vigilance

Whenever Brimaz, King of Oreskos attacks, create a 1/1 white Cat Soldier creature token with vigilance that's attacking.

Whenever Brimaz blocks a creature, create a 1/1 white Cat Soldier creature token with vigilance that's blocking that creature.

Landfall — Whenever a land enters the battlefield under your control, put a +1/+1 counter on target creature.

: Double the number of +1/+1 counters on each creature you control.

, : Add for each Swamp you control.

Constellation — Whenever Calix, Guided by Fate or another enchantment enters the battlefield under your control, put a +1/+1 counter on target creature.

Whenever Calix or an enchanted creature you control deals combat damage to a player, you may create a token that's a copy of a nonlegendary enchantment you control. Do this only once each turn.

Double strike

Spells cast from among cards you drew this turn cost less to cast.

Spells cast from among cards your opponents drew this turn cost more to cast.

Castle Ardenvale enters the battlefield tapped unless you control a Plains.

: Add .

, : Create a 1/1 white Human creature token.

Celestial Colonnade enters the battlefield tapped.

: Add or .

: Until end of turn, Celestial Colonnade becomes a 4/4 white and blue Elemental creature with flying and vigilance. It's still a land.

Flying

Whenever Cemetery Illuminator enters the battlefield or attacks, exile a card from a graveyard.

You may look at the top card of your library any time.

Once each turn, you may cast a spell from the top of your library if it shares a card type with a card exiled with Cemetery Illuminator.

: Add . Cephalid Coliseum deals 1 damage to you.

Threshold — , , Sacrifice Cephalid Coliseum: Target player draws three cards, then discards three cards. Activate only if seven or more cards are in your graveyard.

Chalice of the Void enters the battlefield with X charge counters on it.

Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void, counter that spell.

+1: Add . Chandra, Dressed to Kill deals 1 damage to up to one target player or planeswalker.

+1: Exile the top card of your library. If it's red, you may cast it this turn.

−7: Exile the top five cards of your library. You may cast red spells from among them this turn. You get an emblem with "Whenever you cast a red spell, this emblem deals X damage to any target, where X is the amount of mana spent to cast that spell."

+1: Chandra, Roaring Flame deals 2 damage to target player or planeswalker.

−2: Chandra, Roaring Flame deals 2 damage to target creature.

−7: Chandra, Roaring Flame deals 6 damage to each opponent. Each player dealt damage this way gets an emblem with "At the beginning of your upkeep, this emblem deals 3 damage to you."

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.