Demon of Fate's Design

Flying, trample

At the beginning of your upkeep, sacrifice a creature other than this creature, then each opponent loses life equal to the sacrificed creature's power. If you can't sacrifice a creature, tap this creature and you lose 7 life.

Flying, trample

, Sacrifice another creature: Target player mills three cards.

Pay 1 life: Add . Spend this mana only to cast a spell from your graveyard.

Flying, trample

Whenever you sacrifice another creature, exile cards equal to its mana value from the top of target player's library. Until your next end step, you may play those cards, and mana of any type can be spent to cast those spells.

Sacrifice another creature: Rakdos gains indestructible until end of turn. Tap it. Activate only once each turn.

Flying

, : Rather than pay the mana cost of the next spell you cast this turn, you may pay life equal to that spell's mana value.

When you cast this spell, create X 0/1 red Kobold creature tokens named Kobolds of Kher Keep, where X is the amount of mana spent to cast it.

Flying

Sacrifice another creature: Prossh gets +1/+0 until end of turn.

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.