Godlike
Elwen (RS) vs. Nyarlathotep (P2) - just outdamages.
Light
Shiki Misaki (TWEWY) vs. Elincia (FE9) - While I don't think Shiki should have won the last match, she has a lot of advantages here. First of all is that Elincia is a Flying unit, which means Shiki has access to her Air Physical, which is double the damage of her standard physical. Also, the fact that Mr. Mew is a ranged weapon means that sword-using Elincia doesn't get counters. Add in Shiki's limit for a burst of damage on turn 2, and Elincia's out by turn 3 at the latest.