Redonkulous

Menace
At the beginning of your end step, if you attacked
with one or more creatures this turn, create a
Barrel token.
{1}{r}, {t}, sacrifice a Barrel token and another
creature you control: Redonkulous deals damage
equal to the sacrificed creatures power plus one to
any target.
Whenever you sacrifice a nonland permanent,
You may draw a card. If you do, discard a card.
Activate this ability only once per turn.