Midnight blade isn't as op as people seem to think it is. A team i've been running for a while tends to deal with these so called "OP" lightning mains with no real fuss.
Most of them tend to sit in slot 1 so:
Wind Main - Sage Naruto - x
Ningendo - Killer Bee - x
x - x - x
Use Bee to buff the wind main, in turn the wind main will then debuff the lightning team with no fear of interrupt since she can't be stopped. Play to chase off of the wind main or sage low float to lead up to an immobile from Ningendo's chase and there you have it. Useless Lightning main.
In terms of GNW though, we had 3 water mains (45k, 43k and 51k) vs 3 light mains (60k, 51k and 45k) and frankly we got destroyed.
The following week i ran:
Wind Main - Sage Naruto - x
Conference Temari - Gaara (normal) - x
x - x -x
and well, the roles were reversed, Gaara played as bait to take any acupuncture and interrupts turn 1 or they would lose the barrier they have, in doing so it would leave the wind main free to debuff the strongest light main and then another team could control it by acupuncture and immobile as both water mains had Ao + Mei.
The 60k power didn't get to attack once and the 51k power Light main died turn 2, so rather than moaning that something is OP learn to figure out counters.