Name:Unstable Shapeshifter
ManaCost:3 U
Types:Creature Shapeshifter
PT:0/1
# Make SVars for granting abilities and triggers on clones distinct to avoid SVars getting overwritten when cloning a clone
T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Creature.Other | TriggerZones$ Battlefield | Execute$ USCopy | TriggerDescription$ Whenever another creature enters the battlefield, CARDNAME becomes a copy of that creature and gains this ability.
SVar:USCopy:AB$ Clone | Cost$ 0 | Defined$ TriggeredCard | AddTriggers$ USTrig | AddSVars$ USCopy,USTrig
SVar:USTrig:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Creature.Other | TriggerZones$ Battlefield | Execute$ USCopy | TriggerDescription$ Whenever another creature enters the battlefield, CARDNAME becomes a copy of that creature and gains this ability.
SVar:Picture:http://www.wizards.com/global/images/magic/general/unstable_shapeshifter.jpg
Oracle:Whenever another creature enters the battlefield, Unstable Shapeshifter becomes a copy of that creature and gains this ability.