Prowling Serpopard 
Creature — Cat Snake
This spell can't be countered. Creature spells you control can't be countered.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Cat Snake
This spell can't be countered. Creature spells you control can't be countered.