Everglades

Land   

Everglades enters the battlefield tapped. When Everglades enters the battlefield, sacrifice it unless you return an untapped Swamp you control to its owner's hand. : Add to your mana pool.

294 C14 • ENBob Eggleton

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Legal in: Mirage Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Singleton 100,Commander

Oracle Text (click to copy):

Everglades Land Everglades enters the battlefield tapped. When Everglades enters the battlefield, sacrifice it unless you return an untapped Swamp you control to its owner's hand. {T}: Add {C}{B} to your mana pool.

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2/1/2006
This has a triggered ability when it enters the battlefield, not a replacement effect, as previously worded.

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