Robe of Mirrors is a common Enchantment — Aura card from Tenth Edition (10E), collector number 101★. Current market price: — (foil $7.61), TCGplayer market prices via Scryfall.
Enchant creature (Target a creature as you cast this. This card enters attached to that creature.) Enchanted creature has shroud. (It can't be the target of spells or abilities.)