Harsh Sustenance 
Instant
Harsh Sustenance deals X damage to any target and you gain X life, where X is the number of creatures you control.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Instant
Harsh Sustenance deals X damage to any target and you gain X life, where X is the number of creatures you control.