It That Came Before The Tears

Double Strike, Trample, Soul Rank 5, This creature must be blocked when possible.
At the end of your upkeep you must either pay {12} or sacrifice this creature.

When this creature destroys a creature the next upkeep cost is decreased by the destroyed creature's toughness. When the next upkeep cost is zero you gain life instead.
Creatures destroyed by this creature are exiled.