Ziggs, the Hexplosives Expert

Mage (This creature enters the battlefield with an AP
counter on it. {2}, {t}: This creature deals damage
equal to the number of AP counters on it to target
creature you don't control. Activate this ability only
during a combat phase.)
Whenever Ziggs deals combat damage to a
player, it deals 3 damage to that player.
"This'll be a blast!"