Wizard's Retort 
Instant
This spell costs less to cast if you control a Wizard.
Counter target spell.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Instant
This spell costs less to cast if you control a Wizard.
Counter target spell.