![Mana Leak [Magic 2011]](https://cdn.shopify.com/s/files/1/0451/3388/9694/files/dd4dca42-3fcc-5b40-80e2-0c6d30ca4ed0.jpg?v=1720171603)
Mana Leak [Magic 2011]
| Set: | Magic 2011 |
| Type: | Instant |
| Rarity: | Common |
| Cost: | 1U |
| Colors: | U |
Counter target spell unless its controller pays {3}.
The fatal flaw in every plan is the assumption that you know more than your enemy.