"I wish I would switch bodies with Tiffany." That way she could just wish to switch with Amber.
After the stone glowed, Karyn's perspective changed. She was looking directly into the face of her original body (which was now possessed by Amber). Amber's kissing me! Eww! she thought.
Karyn pulled back quickly.
"What's wrong, Tiffany?" Amber asked, with Karyn's voice.
"I'm not Tiffany. I'm Karyn. Now, give me back my body, you bitch." Karyn tried to grab for the stone that was laying near her on the bed, but Tiffany (who was in Jon's body now) snatched it before she could get it.
Holding the stone, Tiffany said "I wish ..."