Flying, trample

At the beginning of your upkeep, sacrifice a creature other than this creature. If you can't, this creature deals 7 damage to you.

Flying

Apocalypse Demon's power and toughness are each equal to the number of cards in your graveyard.

At the beginning of your upkeep, tap this creature unless you sacrifice another creature.

: Destroy target land.

At the beginning of your upkeep, unless you pay , tap this creature and sacrifice a land of an opponent's choice.

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.

Flying (This creature can't be blocked except by creatures with flying or reach.)

First strike (This creature deals combat damage before creatures without first strike.)

At the beginning of your upkeep, you may sacrifice an artifact. If you don't, tap this creature and it deals 2 damage to you.

Flying

This creature gets -1/-1 for each card in your opponents' hands.

At the beginning of your upkeep, each player discards a card.

At the beginning of your upkeep, if you have no cards in hand, each opponent loses 2 life.

At the beginning of each opponent's upkeep, if that player has no cards in hand, they lose 2 life.

Flying

At the beginning of your upkeep, draw a card unless target opponent sacrifices a creature of their choice or pays 3 life.

Flying, trample

Once during each of your turns, you may cast an enchantment spell by paying life equal to its mana value rather than paying its mana cost.

, Sacrifice another enchantment: This creature gets +X/+0 until end of turn, where X is the sacrificed enchantment's mana value.

Flying, trample

At the beginning of your upkeep, sacrifice a non-Zombie creature, then create a 2/2 black Zombie creature token.

As an additional cost to cast this spell, sacrifice a creature.

Flying

When this creature enters, each opponent discards a card and loses 2 life. You draw a card and gain 2 life.

Flying

At the beginning of each opponent's end step, that player chooses up to two creatures they control, then sacrifices the rest.

As an additional cost to cast this spell, sacrifice a creature.

Flying

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

When this creature enters, each opponent sacrifices a creature.

Trample

At the beginning of your upkeep, sacrifice a creature. You gain life equal to that creature's toughness.

You may reveal this card from your opening hand. If you do, at the beginning of the first upkeep, each opponent loses 3 life, then you gain life equal to the life lost this way.

Flying, lifelink

Flying

When this creature enters, destroy target non-Demon creature.

At the beginning of your upkeep, if there are fewer than six creature cards in your graveyard, sacrifice a creature.

Flying

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

At the beginning of your upkeep, sacrifice a creature.

Flying

At the beginning of your end step, sacrifice a non-Demon creature. If you do, create a token that's a copy of this creature.