False Cure 
Instant
Until end of turn, whenever a player gains life, that player loses 2 life for each 1 life they gained.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Instant
Until end of turn, whenever a player gains life, that player loses 2 life for each 1 life they gained.