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
Alchemy
Pioneer
Explorer
Modern
Brawl
Legacy
Historic
Vintage
Pauper
Commander
Penny