Veigar, Tiny Master of Evil

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 a creature dealt damage by Veigar this
turn dies, put an AP counter on Veigar.
"Know that if the tables were turned, I would show
you no mercy!"