Alphonse, Pyre Champion

Ward {x}, Pyre 2 (You may sacrifice any number of creatures as part of this creature's mana cost. Each creature sacrificed this way reduces the mana cost by
{2}).
When Alphonse enters, gain control of target creature you don't control with mana value equal to
or less than {x}.

At the beginning of your end step, deal X damage to any target where X is the number of creatures that died this turn.