![Underground Sea (Masters Edition IV #256) Underground Sea (Masters Edition IV #256)](https://cards.scryfall.io/large/front/7/f/7f121e0c-6480-4e48-9e2c-03ce287c5112.jpg?1562924970)
Underground Sea
Land — Island Swamp
({T}: Add {U} or {B}.)
Illustrated by Rob Alexander
Part of the Reserved List
- Standard
- Not Legal
- Alchemy
- Not Legal
- Pioneer
- Not Legal
- Explorer
- Not Legal
- Modern
- Not Legal
- Historic
- Not Legal
- Legacy
- Legal
- Brawl
- Not Legal
- Vintage
- Legal
- Timeless
- Not Legal
- Commander
- Legal
- Pauper
- Not Legal
- Oathbreaker
- Legal
- Penny
- Not Legal
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Notes and Rules Information for Underground Sea:
- This has the mana abilities associated with both of its basic land types. (2008-10-01)
- This has basic land types, but it isn't a basic land. Things that affect basic lands don't affect it. Things that affect basic land types do. (2008-10-01)