Deluge of Doom 
Sorcery
All creatures get -X/-X until end of turn, where X is the number of card types among cards in your graveyard.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Sorcery
All creatures get -X/-X until end of turn, where X is the number of card types among cards in your graveyard.