Name:Invulnerability
ManaCost:1 W
Types:Instant
K:Buyback 3
A:SP$ ChooseSource | Cost$ 1 W | Choices$ Card | RememberChosen$ True | AILogic$ NeedsPrevention | SubAbility$ DBEffect | SpellDescription$ The next time a source of your choice would deal damage to you this turn, prevent that damage.
SVar:DBEffect:DB$ Effect | ReplacementEffects$ RPreventNextFromSource | RememberObjects$ Remembered | SVars$ RPreventNextFromSource,ExileEffect | SubAbility$ DBCleanup | ConditionDefined$ Remembered | ConditionPresent$ Card | ConditionCompare$ GE1
SVar:RPreventNextFromSource:Event$ DamageDone | ValidSource$ Card.IsRemembered | ValidTarget$ You | ReplaceWith$ ExileEffect | PreventionEffect$ True | Description$ The next time the chosen source deals damage to you, prevent that damage.
SVar:ExileEffect:DB$ ChangeZone | Defined$ Self | Origin$ Command | Destination$ Exile
SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
SVar:Picture:http://www.wizards.com/global/images/magic/general/invulnerability.jpg
Oracle:Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)\nThe next time a source of your choice would deal damage to you this turn, prevent that damage.