Bone Splinters

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

Maggot Carrier

When this creature enters, each player loses 1 life.

This creature can't block.
Sacrifice a creature: Put a +1/+1 counter on this creature.

When this creature dies, you may put a -1/-1 counter on target creature.

Menace (This creature can't be blocked except by two or more creatures.)

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

{T}: Each player loses 1 life for each Zombie on the battlefield.

When this creature enters, you may return target creature card from your graveyard to your hand.

When this creature dies, target creature an opponent controls gets -1/-1 until end of turn.

When this creature enters, return a Zombie card at random from your graveyard to your hand.

Target player reveals their hand. You choose an artifact or creature card from it. That player discards that card.