Pre flip analysis on these wagons:

SuperJack (2 [L-5]):
deathworlds, Firebringer
Arrow (3 [L-4]):
PowersThatBe, Unknown1234, Mesk514
AnassRhamur (4 [L-3]):
BananaCucho, Gyrlander, Quick, Arrow
PowersThatBe (1 [L-6]):
SuperJack

Its obvious which two wagons are the best.