Gravedigger

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

Typhoid Rats

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Destroy target creature with power 3 or less.

When this creature enters, you draw a card and you lose 1 life.

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

Agonizing Syphon deals 3 damage to any target and you gain 3 life.

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

Lifelink (Damage dealt by this creature also causes you to gain that much life.)