Name:Choked Estuary ManaCost:no cost Types:Land A:AB$ Mana | Cost$ T | Produced$ U | SpellDescription$ Add {U} to your mana pool. A:AB$ Mana | Cost$ T | Produced$ B | SpellDescription$ Add {B} to your mana pool. K:ETBReplacement:Other:DBTap SVar:DBTap:DB$ Tap | ETB$ True | Defined$ Self | UnlessCost$ Reveal<1/Island,Swamp/Island or Swamp> | UnlessPayer$ You | StackDescription$ enters the battlefield tapped. | SpellDescription$ As CARDNAME enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, CARDNAME enters the battlefield tapped. SVar:Picture:http://www.wizards.com/global/images/magic/general/choked_estuary.jpg Oracle:As Choked Estuary enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, Choked Estuary enters the battlefield tapped.\n{T}: Add {U} or {B} to your mana pool.