Plan Ahead

When Plan Ahead enters the battlefield, plunder {1} (Create a treasure token).
{0}: Until the end of the turn, target treasure has
power and toughness of 3. You can only activate
this ability once per turn and only when you can
cast a sorcery.
{t}: Sacrifice any amount of treasures, destroy
target creature with power {x}, where {x} is the
amount of treasures you sacrificed to cast this
effect.