Prohibit {1}{U}

Instant

Kicker {2} (You may pay an additional {2} as you cast this spell.)

Counter target spell if its mana value is 2 or less. If this spell was kicked, counter that spell if its mana value is 4 or less instead.

Illustrated by Adam Rex

Standard
Brawl
Pioneer
Historic
Modern
Pauper
Legacy
Penny
Vintage
Commander