Doppleganger vésuvéen
Vesuvan Doppelganger
Collector's Edition
Rare
Blue 
You may have Vesuvan Doppelganger enter the battlefield as a copy of any creature on the battlefield, except it doesn't copy that creature's color and it gains "At the beginning of your upkeep, you may have this creature become a copy of target creature except it doesn't copy that creature's color. If you do, this creature gains this ability."