Name:Reverse Damage
ManaCost:1 W W
Types:Instant
A:SP$ ChooseSource | Cost$ 1 W 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. You gain life equal to the damage prevented this way.
SVar:DBEffect:DB$ Effect | ReplacementEffects$ RPreventNextFromSource | RememberObjects$ Remembered | SVars$ RPreventNextFromSource,ExileEffect,GainLifeInstead,X | SubAbility$ DBCleanup | ConditionDefined$ Remembered | ConditionPresent$ Card | ConditionCompare$ GE1
SVar:RPreventNextFromSource:Event$ DamageDone | ValidSource$ Card.IsRemembered | ValidTarget$ You | ReplaceWith$ GainLifeInstead | PreventionEffect$ True | Description$ The next time the chosen source deals damage to you, prevent that damage. You gain life equal to the damage prevented this way.
SVar:GainLifeInstead:DB$ GainLife | Defined$ You | LifeAmount$ X | SubAbility$ ExileEffect | References$ X
SVar:ExileEffect:DB$ ChangeZone | Defined$ Self | Origin$ Command | Destination$ Exile
SVar:X:ReplaceCount$DamageAmount
SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
SVar:Picture:http://www.wizards.com/global/images/magic/general/reverse_damage.jpg
Oracle:The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way.