Name:Coral Atoll
ManaCost:no cost
Types:Land
K:CARDNAME enters the battlefield tapped.
T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigSacUnless | TriggerDescription$ When CARDNAME enters the battlefield, sacrifice it unless you return an untapped Island you control to its owner's hand.
SVar:TrigSacUnless:DB$ Sacrifice | Defined$ Self | UnlessCost$ Return<1/Island.untapped/untapped Island> | UnlessPayer$ You
A:AB$ Mana | Cost$ T | Produced$ C U | SpellDescription$ Add {C}{U}.
SVar:NeedsToPlay:Land.Island+YouCtrl+inZoneBattlefield+untapped
SVar:Picture:http://www.wizards.com/global/images/magic/general/coral_atoll.jpg
Oracle:Coral Atoll enters the battlefield tapped.\nWhen Coral Atoll enters the battlefield, sacrifice it unless you return an untapped Island you control to its owner's hand.\n{T}: Add {C}{U}.
