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, create a number of 2/2 black Zombie creature tokens equal to the number of opponents you have.

Whenever a Samurai or Warrior you control attacks alone, you may put a card from your hand on the bottom of your library. If you do, draw a card.

Whenever Ardent Dustspeaker attacks, you may put an instant or sorcery card from your graveyard on the bottom of your library. If you do, exile the top two cards of your library. You may play those cards this turn.

Creatures you control get +2/+0 and gain alpha strike until end of turn. (A creature with alpha strike has first strike as long as it’s blocking or being blocked by a creature that comes after it alphabetically.)

Ward—Pay 2 life.

As long as Armory Veteran is equipped, it has menace. (It can’t be blocked except by two or more creatures.)

When Baleful Beholder enters the battlefield, choose one —

• Antimagic Cone — Each opponent sacrifices an enchantment.

• Fear Ray — Creatures you control gain menace until end of turn. (A creature with menace can’t be blocked except by two or more creatures.)

You may cast spells that have a cycling ability from your graveyard.

If a card that has a cycling ability would be put into your graveyard from anywhere and it wasn’t cycled, exile it instead.

As an additional cost to cast this spell, discard X cards.

Look at target opponent’s hand and choose X cards from it. That player discards those cards.

Up to two target creatures each get +1/+0 and gain first strike until end of turn.

Madness {1}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Up to two target creatures can’t block this turn.

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

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a Cleric, Rogue, Warrior, or Wizard spell or to activate an ability of a Cleric, Rogue, Warrior, or Wizard.

First strike

Whenever a creature dealt damage by Abattoir Ghoul this turn dies, you gain life equal to that creature’s toughness.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

When Abbot of Keral Keep enters the battlefield, exile the top card of your library. Until end of turn, you may play that card.

Flying

When Abhorrent Overlord enters the battlefield, create a number of 1/1 black Harpy creature tokens with flying equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

At the beginning of your upkeep, sacrifice a creature.

Whenever Blood Artist or another creature dies, target opponent loses 1 life and you gain 1 life.

Until end of turn, target creature gets +2/+0 and gains “When this creature dies, return it to the battlefield tapped under its owner’s control.”

Whenever Abomination blocks or becomes blocked by a green or white creature, destroy that creature at end of combat.

Switch target creature’s power and toughness until end of turn.

Choose one —

• Abrade deals 3 damage to target creature.

• Destroy target artifact.

Target player loses 4 life and you gain 4 life.

Basic landcycling {1}{B} ({1}{B}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)