Name:Transmute Artifact
ManaCost:U U
Types:Sorcery
A:SP$ Sacrifice | Cost$ U U | SacValid$ Artifact | RememberSacrificed$ True | SpellDescription$ Sacrifice an artifact. If you do, search your library for an artifact card. If that card's mana value is less than or equal to the sacrificed artifact's mana value, put it onto the battlefield. If it's greater, you may pay {X}, where X is the difference. If you do, put it onto the battlefield. If you don't, put it into its owner's graveyard. Then shuffle. | SubAbility$ StoreCanSearch | StackDescription$ SpellDescription
SVar:StoreCanSearch:DB$ StoreSVar | SVar$ SackedCMC | Type$ Number | Expression$ -1 | ConditionDefined$ Remembered | ConditionPresent$ Card | ConditionCompare$ EQ0 | SubAbility$ StoreCMC
SVar:StoreCMC:DB$ StoreSVar | SVar$ SackedCMC | Type$ Calculate | Expression$ Y | ConditionDefined$ Remembered | ConditionPresent$ Card | ConditionCompare$ GE1 | SubAbility$ DBClear
SVar:DBClear:DB$ Cleanup | ClearRemembered$ True | SubAbility$ SearchLibrary
SVar:SearchLibrary:DB$ ChangeZone | Origin$ Library | Destination$ Library | ChangeType$ Artifact | ChangeNum$ 1 | SubAbility$ EqualTransmute | StackDescription$ None | RememberChanged$ True | ConditionCheckSVar$ SackedCMC | ConditionSVarCompare$ GE0
SVar:EqualTransmute:DB$ ChangeZone | Origin$ Library | Destination$ Battlefield | NoLooking$ True | Mandatory$ True | Defined$ Remembered | ChangeNum$ 1 | ConditionCheckSVar$ SackedCMC | ConditionSVarCompare$ GEY | SubAbility$ PayForTransmute | StackDescription$ None
SVar:PayForTransmute:DB$ ChangeZone | Origin$ Library | Destination$ Battlefield | NoLooking$ True | Mandatory$ True | Defined$ Remembered | ChangeNum$ 1 | ConditionCheckSVar$ SackedCMC | ConditionSVarCompare$ LTY | UnlessCost$ X | UnlessPayer$ You | UnlessSwitched$ True | UnlessResolveSubs$ WhenNotPaid | SubAbility$ CostNotPaid | StackDescription$ None | ConditionDefined$ Remembered | ConditionPresent$ Card | ConditionCompare$ GE1
SVar:CostNotPaid:DB$ ChangeZone | Origin$ Library | Destination$ Graveyard | NoLooking$ True | Mandatory$ True | Defined$ Remembered | ChangeNum$ 1 | ConditionCheckSVar$ SackedCMC | ConditionSVarCompare$ LTY | StackDescription$ None | ConditionDefined$ Remembered | ConditionPresent$ Card | ConditionCompare$ GE1
# Everything working but when no artifact is sacrificed
# SackedCMC to be overridden to see if a sacrifice actually happened
SVar:Y:Remembered$CardManaCost
SVar:SackedCMC:Number$0
SVar:X:SVar$Y/Minus.SackedCMC
AI:RemoveDeck:All
#ChangeType$ Card.IsRemembered
SVar:Picture:http://www.wizards.com/global/images/magic/general/transmute_artifact.jpg
Oracle:Sacrifice an artifact. If you do, search your library for an artifact card. If that card's mana value is less than or equal to the sacrificed artifact's mana value, put it onto the battlefield. If it's greater, you may pay {X}, where X is the difference. If you do, put it onto the battlefield. If you don't, put it into its owner's graveyard. Then shuffle.