Didn't realize there was an assist trophy called "no." Must've missed it. Silly me.
"Would it be your favorite?"
That would be my favorite out of the options. ┐( ´ ー`)┌
Either Lyn or Black Knight.
Probably Black Knight as an echo of Ike, tbh, although having Lyn would be dope as well. Hopefully if they included Lyn, they'd give her a unique enough moveset to be distinct from the other sword characters. Although the complaints against sword characters go too...