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Counterbalance (Invocation) [Amonkhet Invocations]
| Set: | Amonkhet Invocations |
| Type: | Enchantment |
| Rarity: | Mythic |
| Cost: | UU |
| Colors: | U |
Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same converted mana cost as the revealed card.