At the beginning of your end step, each player loses 4 life unless they sacrifice a nontoken creature of their choice.

At the beginning of each end step, if a creature dealt damage by this creature this turn died, put that card onto the battlefield under your control. Sacrifice it when you lose control of this creature.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment.

: This enchantment deals 1 damage to each creature and each player.

At the beginning of your upkeep, this enchantment deals 1 damage to each creature and each player.

, Sacrifice this enchantment: It deals 3 damage to each creature and each player.

Deathtouch

At the beginning of your end step, if you gained life this turn, each opponent sacrifices a creature of their choice and you return up to one target creature card from your graveyard to your hand.

Flying

At the beginning of each player's upkeep, that player sacrifices a creature of their choice. If the player can't, sacrifice this creature.

Deathtouch

At the beginning of your end step, if a creature died this turn, target creature you control connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.)

At the beginning of your upkeep, sacrifice a permanent.

Whenever this creature deals combat damage to a player, that player sacrifices two permanents of their choice.

At the beginning of each player's upkeep, that player sacrifices a non-Elf creature of their choice.

At the beginning of each player's upkeep, if that player controls a nonblack, nonland permanent, this creature deals 1 damage to that player.

At the beginning of your end step, if a creature died this turn, venture into the dungeon. (Enter the first room or advance to the next room.)

Flying

At the beginning of each end step, if you gained life this turn, create a 1/1 black Bat creature token with flying.

Flying

At the beginning of the end step, if you control no Goblins, sacrifice this creature.

Lifelink

At the beginning of your end step, if you gained life this turn, you may pay X life, where X is the amount of life you gained this turn. If you do, create an X/X black Demon creature token with flying.

At the beginning of your upkeep, each player sacrifices a non-Vampire creature of their choice.

At the beginning of each player's upkeep, that player sacrifices an artifact, creature, or land of their choice.

At the beginning of the end step, if this card is in your graveyard with a creature card directly above it, you may return this card to your hand.

, Sacrifice a creature: This creature deals 1 damage to any target.

Flying

At the beginning of each end step, if a creature died this turn, create a Food token. (It's an artifact with ", , Sacrifice this token: You gain 3 life.")

, Sacrifice another creature or artifact: Old Flitterfang gets +2/+2 until end of turn.