Rampaging Yao Guai 
Creature — Bear Mutant
Vigilance, trample This creature enters with X +1/+1 counters on it. When this creature enters, destroy any number of target artifacts and/or enchantments with total mana value X or less.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL