These are the highest damage 2 bar combos I've found with your opponent in the corner that leave them in a restand.
@I GOT HANDS I squeezes out 1% more for a 50/50 into a rekka in the corner.
41% restand + Guaranteed s2
50/50, rekka, 1 , mb1+3, NJP, u3, u3, f134, excrawl, 214, rekka, 1
44% restand + Guaranteed s2
214, exspin, u3, u3, b11u4, 214, ex crawl, 214, rekka, 1
45% restand + Guaranteed s2
F13, ex flip, u3, u3, b11u4, 214, ex crawl, 214 , rekka 1
47% restand + Guaranteed s2
F134, ex flip, u3, b11u4, 214, ex crawl, 214 , rekka 1