As an avid MTG player, I understand the fhe factions as follows:
Navy - your R/G aggro. Chump out dudes, go for a quick kill. As with green, you do have lots of means ramp up, so you can easily go sledgehammer for a mid range deck.
Sith - black control. You'll be destroying everything until you can get one of your demons into play to finish the game.
Scum - this feels kinda like U/B mill. lots of tricks to take care of your opponent's hand, milling, taking away their creatures and slow but steady increase in pressure.
Rebel - White weenie, currently R/W aggro. You have some burn, you have Boros Charm, what's not to like? But aside from combat, your dudes go down really quick.
Jedi - Bant Hexproof. Basically the same idea - counter what hurts and once you get that pumped invisible stalker ingame, it's pretty much over. Can do with some white splash to recover from earlier losses. Like I said, Bant Hex proof.
Smugglers - U/G. You'll be having ramp up, lots of dudes backed by lots of tricks to get them through and mess with opponent's board situation.