At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

, Sacrifice a creature: Target opponent reveals their hand. You choose a card from it. That player discards that card. Activate this ability only any time you could cast a sorcery.

Haste
When Craterhoof Behemoth enters the battlefield, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control.

Tap target creature. It doesn't untap during its controller's next untap step.
Draw a card.

Sacrifice Crypt Creeper: Exile target card from a graveyard.

Destroy target enchantment. You gain 2 life.

Discard your hand, then draw two cards.

: Exile target creature and put a +1/+1 counter on Dark Impostor.
Dark Impostor has all activated abilities of all creature cards exiled with it.

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)
As long as Deadeye Navigator is paired with another creature, each of those creatures has ": Exile this creature, then return it to the battlefield under your control."

Target creature gets -X/-X until end of turn.

Enchant creature
Prevent all damage that would be dealt by enchanted creature.

Return target creature card from your graveyard to the battlefield. If it's an Angel, put two +1/+1 counters on it.

Destroy target artifact or land.

At the beginning of your end step, if you control exactly one creature, create a 5/5 black Demon creature token with flying.

Flying
At the beginning of your upkeep, sacrifice a creature other than Demonic Taskmaster.

Flying
When Demonlord of Ashmouth enters the battlefield, exile it unless you sacrifice another creature.
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

At the beginning of your upkeep, reveal the top card of your library. You may cast it without paying its mana cost if it's a creature spell that shares a creature type with a creature you control. Otherwise, put that card on the bottom of your library.

At the beginning of your upkeep, put a despair counter on Descent into Madness, then each player exiles X permanents they control and/or cards from their hand, where X is the number of despair counters on Descent into Madness.

: Add .
, : Draw a card, then discard a card.

Return all nonland permanents to their owners' hands.
Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)