This spell costs {3} less to cast if a creature died this turn. Flying, deathtouch

This creature enters tapped. Whenever this creature attacks, you may pay {2}{B}. If you do, return target creature card from your graveyard to your hand.

Flying {B}: This creature gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Whenever another nontoken creature dies, you may draw a card.

Zombies you control get +1/+0. At the beginning of your end step, if a creature died this turn, you may pay {1}{B}. If you do, create a 2/2 black Zombie creature token.

Flash When this creature enters, draw X cards, where X is the number of creatures that died under your control this turn.

Whenever another nontoken creature dies, you may create a 1/1 black Rat creature token. Rats you control have deathtouch.

({T}: Add {B}.)

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

Each player sacrifices two creatures of their choice.

{1}{B}, {T}: Each opponent loses 2 life. Activate only if a creature died this turn.

When this creature enters, you may sacrifice a creature or discard a creature card. If you do, draw a card.

When this creature dies, return another target creature card from your graveyard to your hand.

Destroy target creature or planeswalker.

Whenever a creature dies, this creature gets +2/+2 until end of turn.

{B}, Sacrifice a creature: Target creature gets -1/-1 until end of turn.