Ravenous Chupacabra

When Ravenous Chupacabra enters, destroy target creature an opponent controls.

Vampire Nighthawk

Essence Extraction deals 3 damage to target creature and you gain 3 life.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Destroy target creature.

Devoid (This card has no color.)
All creatures get -2/-2 until end of turn. If a creature would die this turn, exile it instead.

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

Target creature gets -4/-4 until end of turn.

Whenever another creature you control dies, Vindictive Vampire deals 1 damage to each opponent and you gain 1 life.

Target creature gets -3/-3 until end of turn. You lose 3 life.

All creatures get -2/-2 until end of turn.

Lightning Strike deals 3 damage to any target.

When Plaguecrafter enters, each player sacrifices a creature or planeswalker of their choice. Each player who can't discards a card.

When Skinrender enters, put three -1/-1 counters on target creature.

Flying
Whenever Falkenrath Noble or another creature dies, target player loses 1 life and you gain 1 life.