Withering Boon 
Instant
As an additional cost to cast this spell, pay 3 life. Counter target creature spell.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Instant
As an additional cost to cast this spell, pay 3 life. Counter target creature spell.