Death Cloud 
Sorcery
Each player loses X life, discards X cards, sacrifices X creatures of their choice, then sacrifices X lands of their choice.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Sorcery
Each player loses X life, discards X cards, sacrifices X creatures of their choice, then sacrifices X lands of their choice.