Your search for "Miming Slime 126" revealed the following:
Miming Slime (GTC) from Gatecrash, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Svetlin Velinov Card Text:Put an X/X green Ooze creature token onto the battlefield, where X is the greatest power among creatures you control.
Miming Slime (Foil) (GTC) from Gatecrash, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Svetlin Velinov Card Text:Put an X/X green Ooze creature token onto the battlefield, where X is the greatest power among creatures you control.