![Counterbalance [Secret Lair Drop Series]](http://theboosterbox.com/cdn/shop/files/480558_in_1000x1000_6ec0b527-70bd-4ab0-997e-b37d6cfcd555.jpg?v=1776982728&width=716)
![Counterbalance [Secret Lair Drop Series]](http://theboosterbox.com/cdn/shop/files/480558_in_1000x1000_6ec0b527-70bd-4ab0-997e-b37d6cfcd555_1024x.jpg?v=1776982728)
Description
| Set: | Secret Lair Drop Series |
| Type: | Enchantment |
| Rarity: | Rare |
| Cost: | {U}{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.