Math is for Blockers 
Sorcery
Damage can't be prevented this turn. Creatures you control have double strike, trample, and must attack if able until end of turn.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL