Prohibit
Instant (CMC 2)
Kicker
(You may pay an additional
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.
Decks with Prohibit
[MH1] Modern Horizons #64 (C)
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de
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zhs
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[INV] Invasion #67 (C)
[DDM] Duel Decks: Jace vs. Vraska #25 (C)