Coils of the Medusa 
Enchantment — Aura
Enchant creature Enchanted creature gets +1/-1. Sacrifice this Aura: Destroy all non-Wall creatures blocking enchanted creature.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL