Change the Equation 
Instant
Choose one — • Counter target spell with mana value 2 or less. • Counter target red or green spell with mana value 6 or less.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Instant
Choose one — • Counter target spell with mana value 2 or less. • Counter target red or green spell with mana value 6 or less.