Master's Rebuke 
Instant
Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Instant
Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.