Underwater Tunnel
Enchantment — Room
When you unlock this door, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)
New to Magic? How to read this card
Beginner guide
Card text above uses Oracle text, the current official rules text for this card.
This costs one blue mana.
- Mana
- Mana is the resource you spend to cast spells and activate abilities.
