Is Underground Sea legal in Standard, Modern, and Commander?

Underground Sea is legal in: Legacy, Vintage, Commander.

What type of card is Underground Sea?

Underground Sea is a Land — Island Swamp. Its oracle text reads: "({T}: Add {U} or {B}.)"

Land — Island Swamp

(: Add or .)

Set Limited Edition Alpha

Rarity Rare

Artist Rob Alexander

Land Commander Legacy Vintage

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