Name:Icy Prison ManaCost:U U Types:Enchantment T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigExile | TriggerDescription$ When CARDNAME enters the battlefield, exile target creature. SVar:TrigExile:DB$ ChangeZone | Cost$ 0 | Origin$ Battlefield | Destination$ Exile | RememberChanged$ True | ForgetOtherRemembered$ True | ValidTgts$ Creature | TgtPrompt$ Select target creature T:Mode$ ChangesZone | Origin$ Battlefield | Destination$ Any | ValidCard$ Card.Self | Execute$ TrigReturn | TriggerController$ TriggeredCardController | TriggerDescription$ When CARDNAME leaves the battlefield, return the exiled card to the battlefield under its owner's control. SVar:TrigReturn:AB$ ChangeZone | Cost$ 0 | Origin$ Exile | Destination$ Battlefield | Defined$ Remembered T:Mode$ Phase | Phase$ Upkeep | ValidPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigSac | TriggerDescription$ At the beginning of your upkeep, sacrifice CARDNAME unless any player pays {3}. SVar:TrigSac:AB$ Sacrifice | Cost$ 0 | Defined$ Self | UnlessCost$ 3 | UnlessPayer$ Player | UnlessAI$ OnlyOwn SVar:PlayMain1:TRUE SVar:NeedsToPlayVar:Y GE3 SVar:Y:Count$Valid Land.YouCtrl SVar:Picture:http://www.wizards.com/global/images/magic/general/icy_prison.jpg Oracle:When Icy Prison enters the battlefield, exile target creature.\nAt the beginning of your upkeep, sacrifice Icy Prison unless any player pays {3}.\nWhen Icy Prison leaves the battlefield, return the exiled card to the battlefield under its owner's control.