Chuck, Frequent Flinger

Whenever a permanent or player is
dealt 5 or more damage by a source
you control, untap Chuck, Frequent Flinger.
{1}{r},{t}, Sacrifice a creature: Chuck, Frequent Flinger deals damage
equal to the sacrificed creature’s
power to target creature or player
{1}{r},{t}, Sacrifice an artifact: Chuck, Frequent Flinger deals damage equal
to the sacrificed artifact’s mana
value to target creature or player.