"Nope"
"No" Ruby and Blake's denial came in tandem.
"Wha-Blake I understand, but you Ruby?" Weiss asked.
"Well, it's just kinda weird. The last time you acted this weird was the 'bucket of ice water' prank." Ruby recalled, rubbing the back of her head.
"First of all, you weren't concussed. Second, what about this is odd?"
"Well, you haven't named the challenge yet..." Ruby stated
"Not to mention you're offering a remote as a prize" Blake added
"And you left the room pretty angry, came back sooner than usual, and demanded a contest." Yang concluded. "Don't get me wrong, I'm all for it, but if the refs thing something smells fishy..."
Weiss's eyes darted between her three accusers. They... had a point.
"...Fine. I'll show you what the remote does. Everyone, grab on." Weiss proclaimed reluctantly.
She had already undone her first swap of Velvet's ears, so now she'd have to swap something between the team. The contest wasn't official yet, so taking Yang's hair without any rules protecting her would result in premature death at best. Still, Weiss needs to remove all doubt about the remote's capability from their mind, so she has to go big and obvious. A pure body swap might only confuse the other two. Of course, she might as well swap to her advantage. This should still fall under body part swap, right?
Pressing the button released a familiar flash of light. Instantly, Weiss could feel the difference. From the neck down, she was Yang Xiao Long. She was everything she wasn't before. She was tall, muscular, busty... and heavier and not as flexible and definitely wearing much less clothing. Still it was empowering, maybe even a little intoxicating.
"What the hell!" Yang's scream took Weiss out of her trance.
The blonde bruiser was now barely taller than her sister while wearing heels. Weiss felt an odd sense of superiority as Yang examined her smaller breasts, scrawny arms, and her admittedly toned legs. For a brief moment, Weiss had to consider whether or not this was self deprecation, but quickly pushed the thought to the back of her mind.
"Woah" was all Blake could manage to say in the 10 seconds she had been staring.
"...so cool" Ruby whispered to herself.
"So I think that should clear everything up," Weiss declared with a flip of her hair.