Undercity Sewers (Borderless) (20) (PZA)
Non-Foil - NM
Not Buying
![Counterbalance (Invocation) [Amonkhet Invocations]](https://cdn.shopify.com/s/files/1/0267/9501/6251/products/9f89a47b-021b-5300-bbbe-7c65222a02eb.jpg?v=1700204673)
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 mana value as the revealed card.