Berserk Gorilla

Trample First Strike
Berserk Gorilla must attack if able.
If Berserk Gorilla is not blocked; damage dealt to the defending player is doubled.
Berserk Gorilla cannot be used to block.
Place a +1/+1 counter on Berserk Gorilla for each creature Berserk Gorilla has destroyed. If a combat phase passes, and Berserk Gorilla has not destroyed a creature; remove all counters from Berserk Gorilla.