You can only activate this card during your opponent's turn. Select 1 monster on your opponent's side of the field, and Special Summon 1 "Mirage Token" in face-up Attack or Defense Position on your side of the field. The "Mirage Token" has the same Level, Type, Attribute, ATK, and DEF as the selected monster. Destroy the "Mirage Token" at the end of the turn.