Name:Winter's Chill
ManaCost:X U
Types:Instant
Text:Cast CARDNAME only during combat before blockers are declared.\r\nX can't be greater than the number of snow lands you control.\r\n
A:SP$ RepeatEach | Cost$ X U | TargetMin$ 0 | TargetMax$ MaxTgts | References$ X,MaxTgts | ValidTgts$ Creature.attacking | TgtPrompt$ Select target attacking creature | ActivationPhases$ BeginCombat->Declare Attackers | IsCurse$ True | DefinedCards$ Targeted | RepeatSubAbility$ DBChoose | StackDescription$ SpellDescription | SpellDescription$ Choose X target attacking creatures. For each of those creatures, its controller may pay {1} or {2}. If that player doesn't, destroy that creature at end of combat. If that player pays only {1}, prevent all combat damage that would be dealt to and dealt by that creature this combat.
SVar:DBChoose:DB$ GenericChoice | Defined$ RememberedController | Choices$ Pay2,Pay1 | AILogic$ PayUnlessCost | SubAbility$ DBEffect
SVar:Pay2:DB$ Cleanup | ClearRemembered$ True | UnlessCost$ 2 | UnlessPayer$ RememberedController | UnlessSwitched$ True | SpellDescription$ You may pay {2} to avoid negative effects | ShowCurrentCard$ Remembered
SVar:Pay1:DB$ Pump | Defined$ Remembered | KW$ Prevent all combat damage that would be dealt to and dealt by CARDNAME. | UntilEndOfCombat$ True | UnlessCost$ 1 | UnlessPayer$ RememberedController | UnlessSwitched$ True | UnlessResolveSubs$ WhenPaid | SubAbility$ DBCleanup | ShowCurrentCard$ Remembered | SpellDescription$ You may pay {1}, prevent all combat damage that would be dealt to and dealt by that creature this combat.
SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
SVar:DBEffect:DB$ Effect | RememberObjects$ Remembered | Triggers$ TrigEOC,OutOfSight | SVars$ TrigDestroy,ExileSelf | References$ TrigDestroy,ExileSelf | ConditionDefined$ Remembered | ConditionPresent$ Card | ConditionCompare$ GE1
SVar:TrigEOC:Mode$ Phase | TriggerZones$ Command | Phase$ EndCombat | Execute$ TrigDestroy | TriggerDescription$ Destroy that creature at end of combat.
SVar:TrigDestroy:DB$ Destroy | Defined$ Remembered | SubAbility$ ExileSelf
SVar:ExileSelf:DB$ ChangeZone | Defined$ Self | Origin$ Command | Destination$ Exile
SVar:OutOfSight:Mode$ ChangesZone | TriggerZones$ Command | Origin$ Battlefield | Destination$ Any | ValidCard$ Card.IsRemembered | Execute$ ExileSelf | Static$ True
SVar:X:Targeted$Amount
SVar:MaxTgts:Count$Valid Land.Snow+YouCtrl
SVar:RemAIDeck:True
SVar:RemRandomDeck:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/winters_chill.jpg
Oracle:Cast Winter's Chill only during combat before blockers are declared.\nX can't be greater than the number of snow lands you control.\nChoose X target attacking creatures. For each of those creatures, its controller may pay {1} or {2}. If that player doesn't, destroy that creature at end of combat. If that player pays only {1}, prevent all combat damage that would be dealt to and dealt by that creature this combat.