Name:Constricting Sliver
ManaCost:5 W
Types:Creature Sliver
PT:3/3
S:Mode$ Continuous | Affected$ Creature.Sliver+YouCtrl | AddTrigger$ ConstrictingTrig | AddSVar$ ConstrictingSliverExile & ConstrictingEffect & ConstrictingComeBack & ConstrictingTrigReturn & ConstrictingExileSelf | Description$ Sliver creatures you control have "When this creature enters the battlefield, you may exile target creature an opponent controls until this creature leaves the battlefield."
SVar:ConstrictingTrig:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ ConstrictingSliverExile | TriggerDescription$ When CARDNAME enters the battlefield, you may exile target creature an opponent controls until CARDNAME leaves the battlefield.
SVar:ConstrictingSliverExile:AB$ ChangeZone | Cost$ 0 | Origin$ Battlefield | Destination$ Exile | RememberChanged$ True | ValidTgts$ Creature.OppCtrl | TgtPrompt$ Select target creature an opponent controls | ConditionPresent$ Card.Self | SubAbility$ ConstrictingEffect
SVar:ConstrictingEffect:DB$ Effect | Triggers$ ConstrictingComeBack | RememberObjects$ Remembered | ImprintCards$ Self | SVars$ ConstrictingTrigReturn,ConstrictingExileSelf | ConditionPresent$ Card.Self | Duration$ Permanent
SVar:ConstrictingComeBack:Mode$ ChangesZone | Origin$ Battlefield | Destination$ Any | ValidCard$ Card.IsImprinted | Execute$ ConstrictingTrigReturn | TriggerZones$ Command | TriggerController$ TriggeredCardController | Static$ True | TriggerDescription$ That permanent is exiled until this creature leaves the battlefield.
SVar:ConstrictingTrigReturn:AB$ ChangeZoneAll | Cost$ 0 | Origin$ Exile | Destination$ Battlefield | ChangeType$ Card.IsRemembered | SubAbility$ ConstrictingExileSelf
SVar:ConstrictingExileSelf:DB$ ChangeZone | Origin$ Command | Destination$ Exile | Defined$ Self
SVar:PlayMain1:TRUE
SVar:Picture:http://www.wizards.com/global/images/magic/general/constricting_sliver.jpg
Oracle:Sliver creatures you control have "When this creature enters the battlefield, you may exile target creature an opponent controls until this creature leaves the battlefield."