The Mirror Maestra
Identity — Guardian (U)
Undercover (Unveil only if another identity has been unveiled or if another player attacked the Leader this game.)
Unveil {X}{X}{2} (Start the game with this identity face down in the command zone. Turn it face up any time for its unveil cost.)
When The Mirror Maestra is unveiled, choose a player and X target permanents. For each of those permanents, that player creates a token that’s a copy of it.