Lock, Shock, & Barrel

{p/u}{p/b}{p/r},{t}: Gain control of target creature for
as long as you control Lock, Shock, & Barrel.
Sacrifice a creature,{t}: Lock, Shock, & Barrel
deal 3 damage to any target. If you don't own
the sacrificed creature, it's owner loses 3 life.
Sacrifice a creature,{t}: Draw 2 cards and then
discard a card. If you don't own the sacrificed creature, it's owner loses 3 life.
"Trick or treat!"