Vendetta, Whom Tolls the Bell

Vendetta's Power and Toughness is equal to the
mana spent to cast it.
When Vendetta enters the battlefield, destroy
target creature with mana value less than or equal
to Vendetta's power.
When Vendetta leaves the battlefield, return
another creature with mana value less than or
equal to Vendetta's toughness from your
graveyard into your hand.
During opponents combat step, they must attack
you with at least one creature if able.