Polis Crusher 198 (Theros)

Trample, protection from enchantments {4}{R}{G}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) Whenever this creature deals combat damage to a player, if this creature is monstrous, destroy target enchantment that player controls.

NM - $1.50
LP - $1.50
MP - $1.50
HP - $1.50
DMG - $1.50