Rain of Gore 
Enchantment
If a spell or ability would cause its controller to gain life, that player loses that much life instead.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Enchantment
If a spell or ability would cause its controller to gain life, that player loses that much life instead.