Secrets of Power

While attached unit is exhausted, it gains Sentinel. (Enemy units in this arena must attack a Sentinel when they attack you.)

Disciples' Devotion

Attach to a Unique unit.
Attached unit gains: “While this unit is ready, each other friendly unit gains Overwhelm, Raid 1, and Restore 1.”

Figure of Unity

Deal 2 damage to a non-Vehicle unit.
Create a Spy token.

Contempt for Culture

At the start of the next action phase, for each enemy unit, its controller must pay 1 or exhaust that unit.

The Eye of Aldhani

Plot (When you deploy a leader, you may play this card from your resources, paying its cost. Replace it with the top card of your deck.)

Sudden Ferocity

Sneaking Suspicion

Attach to a friendly unit.
When Played: You may exhaust a unit in attached unit's arena.

Nimble Prowess

Return a unit from your discard pile to your hand.
Create 2 Spy tokens.

Renewed Friendship

Unveiled Might

You may ready a unit that didn't attack or enter play this phase.
Create a Spy token.

It's Not Over Yet

Attach to a friendly Unique unit.
When Played: Attached unit captures an enemy non-leader unit with less remaining HP than it.

Moral Authority

Legends of the Force

Attach to a friendly unit.
When Played: Deal damage to an enemy unit equal to attached unit's power.

Craving Power

Attached unit gains: “On Attack: Discard a card from your hand.”

Battle Fury

Give a unit +3/+3 and Overwhelm for this phase. (When attacking an enemy unit, deal excess damage to the opponent's base.)

Overpower

Each friendly Creature unit gets +2/+2 for this phase.

Rampage

Jump to Lightspeed

Attached unit gains: "When Defeated: You may exhaust a unit."

Grim Valor

An opponent creates 2 TIE Fighter tokens and readies them. Then, play a Vehicle unit from your hand. It costs 3 less.

They Hate That Ship

Twilight of the Republic

Attached unit gains: "This unit can't be captured, defeated, or returned to its owner's hand by enemy card abilities."

Shadowed Intentions

When Played: Deal 2 damage to attached unit.

Twice the Pride

Attached unit gains Sentinel. (Units in this arena can't attack your non-Sentinel units or your base.)

Unshakeable Will

Shadows of the Galaxy

If you've defeated an enemy unit this phase, this event costs 2 less to play. 
Ready a unit.

Bravado

Deal 1 damage to an enemy unit. Its controller's next action this phase must be an attack action with that unit, if able. It must attack a unit, if able.

Give In to Your Anger

Attached unit gains: "Action [C=2, defeat a Heroic Resolve on this unit]: Attack with this unit. It gets +4/+0 and gains Overwhelm for this attack."

Heroic Resolve

Attach to a non-Vehicle unit. 
Attached unit gains: "On Attack/When Defeated: Give an Experience token to another friendly unit."

Inspiring Mentor

Resilient

Attached unit gains: "When this unit attacks and defeats a unit: Deal 2 damage to the defending player's base."

Ruthlessness

Choose a unit in your discard pile. If it was defeated this phase, put it into play as a resource.

Spark of Hope

Spark of Rebellion

Choose two, in any order:
Draw a card.
Defeat up to 2 upgrades.
Ready a unit with 3 or less power.
Deal 4 damage to a unit.

Aggression

Choose two, in any order:
Give 2 Experience tokens to a unit. 
A friendly unit deals damage equal to its power to a non-unique enemy unit. 
Put this event into play as a resource.
Return a unit from your discard pile to your hand.

Command

Attached unit gains RESTORE 2. (When this unit attacks, heal 2 damage from its controller's base.)

Devotion

Choose two, in any order:
Return a non-leader unit with 4 or less power to its owner's hand.
Give a unit +4/+0 for this phase.
Exhaust up to 2 units.
An opponent discards a random card from their hand.

Cunning

Reveal the top 4 cards of your deck. For each Heroism card revealed this way, deal 1 damage to an enemy base. You may discard any of the revealed cards and put the rest back on top of your deck in any order.

For a Cause I Believe In

Play a non-Heroism unit from your hand for free. Deal damage to your base equal to its cost.

Galactic Ambition

Moment of Peace

An opponent chooses a unit they control. Defeat that unit.

Power of the Dark Side

Attached unit gains SENTINEL. (Units in this arena can't attack your non-Sentinel units or your base.)

Protector

Search your deck for a card and draw it. (Then, shuffle your deck.)

Search Your Feelings

When this upgrade becomes attached to a non-leader unit that costs 3 or less: Take control of that unit.
When this upgrade becomes unattached from a unit: That unit's owner takes control of it.

Traitorous

Choose two, in any order:
Discard 6 cards from an opponent's deck. 
Heal 5 damage from a base. 
Defeat a unit with 3 or less remaining HP. 
Give a Shield token to a unit.