Shadows of the Galaxy

Ambush (When you play this unit, it may ready and attack an enemy unit.)

Cloud-Rider

Following Orders

Action [C=2]: This unit gets +1/+0 for this phase. 
Action [Exhaust]: This unit deals damage equal to his power to an enemy ground unit.

Crosshair, Following Orders

Headquarters of the Crimson Dawn

Grit 
Each other friendly non-leader unit gains Grit. 
Smuggle [C=7 Vigilance Villainy, deal 4 damage to a friendly unit]

First Light, Headquarters of the Crimson Dawn

Grit (This unit gets +1/+0 for each damage on it.)

Heroic Renegade

OVERWHELM
On Attack: You may reveal a resource you control. If it shares a name with a friendly unique unit, return the resource to its owner's hand and put the top card of your deck into play as a resource.

Outcast Sergeant

Action [{{C=1}}, {{Exhaust}}]: Reveal a resource you control. If it shares a name with a friendly unique unit, return the resource to its owner's hand and put the top card of your deck into play as a resource.

Epic Action: If you control 7 or more resources, deploy this leader.

Hunter, Outcast Sergeant

Ambush (When you play this unit, it may ready and attack an enemy unit.) 
Raid 2 (This unit gets +2/+0 while attacking.)

Modded Cohort

Wherever I Go, He Goes

SENTINEL
When Played: You may heal all damage from a unit that costs 2 or less and give 2 Shield tokens to it.

The Mandalorian, Wherever I Go, He Goes

SABOTEUR (When this unit attacks, ignore Sentinel and defeat the defender's Shields.)
When you deal damage to an enemy base: You may draw a card. Use this ability only once each round.

Spark of Rebellion

Dedicated to the Rebellion

Action [1, {Exhaust}]: If you've dealt 3 or more damage to an enemy base this phase, draw a card.

Epic Action: If you control 6 or more resources, deploy this leader.

Cassian Andor, Dedicated to the Rebellion

While you control another Command unit, this unit gains AMBUSH (After you play this unit, it may ready and attack an enemy unit.)

Escort Skiff

While you control another Cunning unit, this unit gains SENTINEL. (Units in this arena can't attack your non-Sentinel units or your base.)

Gamorrean Guards

GRIT (This unit gets +1/+0 for each damage on it.)