Undercity Sewers (Borderless) (20) (PZA)
Non-Foil - NM
Not Buying
![Thwart [Mercadian Masques]](https://cdn.shopify.com/s/files/1/0267/9501/6251/products/75905541-286b-5c94-9df5-8e4ae239c44a.jpg?v=1700200949)
Thwart [Mercadian Masques]
| Set: | Mercadian Masques |
| Type: | Instant |
| Rarity: | Uncommon |
| Cost: | 2UU |
| Colors: | U |
You may return three Islands you control to their owner's hand rather than pay this spell's mana cost.
Counter target spell.
Counter target spell.