Name:Mimic Vat
ManaCost:3
Types:Artifact
T:Mode$ ChangesZone | ValidCard$ Creature.nonToken | Origin$ Battlefield | Destination$ Graveyard | OptionalDecider$ You | Execute$ TrigReturn | TriggerZones$ Battlefield | TriggerDescription$ Imprint — Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with CARDNAME to its owner's graveyard.
SVar:TrigReturn:AB$ ChangeZone | Cost$ 0 | Origin$ Exile | Destination$ Graveyard | Defined$ Imprinted | ChangeNum$ 1 | SubAbility$ DBCleanup
SVar:DBCleanup:DB$ Cleanup | ClearImprinted$ True | SubAbility$ DBExile
SVar:DBExile:DB$ ChangeZone | Cost$ 0 | Imprint$ True | Origin$ Graveyard | Destination$ Exile | Defined$ TriggeredCard | ChangeNum$ 1
A:AB$ CopyPermanent | Cost$ 3 T | Defined$ Imprinted.ExiledWithSource | AddSVars$ SneakAttackEOT | PumpKeywords$ Haste | AtEOT$ Exile | SpellDescription$ Create a token that's a copy of a card exiled with CARDNAME. It gains haste. Exile it at the beginning of the next end step.
T:Mode$ ChangesZone | Origin$ Exile | Destination$ Any | Static$ True | ValidCard$ Card.IsImprinted+ExiledWithSource | Execute$ DBForget
SVar:DBForget:DB$ Pump | ForgetImprinted$ TriggeredCard
T:Mode$ ChangesZone | Origin$ Battlefield | ValidCard$ Card.Self | Destination$ Any | Execute$ DBCleanImprinted | Static$ True
SVar:DBCleanImprinted:DB$ Cleanup | ClearImprinted$ True
SVar:NonStackingEffect:True
SVar:RemAIDeck:True
SVar:SneakAttackEOT:SVar:EndOfTurnLeavePlay:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/mimic_vat.jpg
Oracle:Imprint — Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's graveyard.\n{3}, {T}: Create a token that's a copy of a card exiled with Mimic Vat. It gains haste. Exile it at the beginning of the next end step.