Thrakkus the Butcher 
Legendary Creature — Dragon Peasant
Trample Whenever Thrakkus attacks, double the power of each Dragon you control until end of turn.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL