Underground Sea

Card Name

Underground Sea

Type

Land – Island Swamp

Rarity

Rare

rules Text

Counts as both swamp and islands and is affected by spells that affect either. Tap to add either or to your mana pool.

Legal Formats

Commander, Legacy, Vintage

Not Legal Formats

Alchemy, Brawl, Explorer, Historic, Modern, Pauper, Pioneer, Standard

Rulings

(10/1/2008)
This has the mana abilities associated with both of its basic land types.
(10/1/2008)
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.