Nehshaddoll Genius (GFTP-EN006) [Ghosts From the Past]

FLIP: You can target 1 "Shaddoll" monster you control; this turn, that face-up monster is unaffected by monster effects, except its own.
If this card is sent to the GY by a card effect: You can target 1 Effect Monster on the field; players cannot activate that target's effects on the field this turn. You can only use 1 "Nehshaddoll Genius" effect per turn, and only once that turn.