Name:Submerge
ManaCost:4 U
Types:Instant
S:Mode$ Continuous | Affected$ Card.Self | EffectZone$ All | AddKeyword$ Alternative Cost:0 | CheckSVar$ X | CheckSecondSVar$ Y | Description$ If an opponent controls a Forest and you control an Island, you may cast CARDNAME without paying its mana cost.
SVar:X:Count$Valid Forest.OppCtrl
SVar:Y:Count$Valid Island.YouCtrl
A:SP$ ChangeZone | Cost$ 4 U | ValidTgts$ Creature | TgtPrompt$ Select target creature | Origin$ Battlefield | Destination$ Library | LibraryPosition$ 0 | SpellDescription$ Put target creature on top of its owner's library.
SVar:Picture:http://www.wizards.com/global/images/magic/general/submerge.jpg
Oracle:If an opponent controls a Forest and you control an Island, you may cast Submerge without paying its mana cost.\nPut target creature on top of its owner's library.