Here's my rebel submission into the Custom Card League (Season 2). Soe of these cards are on the strong side, but before complaining about it ask yourself, "Is this card as strong/broken/undercosted as Zuckuss or Palpatine?"
Rogue Squadron Pilot (2 copies in the expansion).
Gavin Darklighter(X-wing)
Corran Horn (X-Wing).
X-wing “Fix” Cards:
XJ X-Wing (2 Copies in the expansion)
MG7-A Torpedo Launchers (2 Copies in the expansion)
Ship 2: E-wing
Fifth Fleet Veteran (2 Copies in the expansion)
Ooryl Qrygg (E-wing)
Luke Skywalker (E-Wing).
E-Wing “Fix” Cards:
E-Wing MKII (2 copies in the expansion)
Ion Reactor (2 copies in the expansion) (Dual Card)
Additional Upgrades:
R4 Astromech (2 copies in the expansion)
R5-G8
R2-D9
Baradium Torpedo (2 copies in the expansion)
In particular Luke, MG7-As and R2-D9 are cards that at first glance appear absurdly overpowered, but in the grand scheme of things are not broken at all due to their cost and the slots they take up. Have I missed an absurdly strong card combination here, or maybe something really is a little undercosted?