Colossus of Akros  (8) 
Artifact Creature — Golem (10/10)
Defender, indestructible
0: Monstrosity 10. (If this creature isn't monstrous, put ten +1/+1 counters on it and it becomes monstrous.)
As long as Colossus of Akros is monstrous, it has trample and can attack as though it didn't have defender.