Singles

Attach to a non-leader unit.Attached unit can't ready.. It gains: When the regroup phase starts: Deal 2 damage to your base.

Play a card from your hand, ignoring its aspect penalties.

Sentinel (Enemy units in this arena must attack a Sentinel when they attack you.)

When Played: Create a Credit token.

When Played: You may return an Underworld card from your discard pile to your hand.

Hidden (This unit can't be attacked if it was played this phase.)

Overwhelm (When attacking an enemy unit, deal excess damage to the opponent's base.)

On Attack: You may pay 2 resources. If you do, create a Credit token.

When Played: If you discarded a card from your hand or deck this phase, give a Shield token to this unit. On Attack: You may deal 1 damage to a...

When Played: You may pay 1 resource. If you do, give an Experience token to another unit.

Use any number of When Played abilities on friendly Spectre unit.

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

Sentinel (Enemy units in this arena must attack a Senintel when they attack you.)

Ambush When Attack Ends: If the defending unit was defeated, create a Credit token.

Sentinel (Enemy units in this arena must attack a Sentinel when they attack you.)

Saboteur (When this unit attacks, ignore Sentinel and defeat the defender's Shields.)

When Played: Give an Experience token to another friendly Underworld unit.

Create 3 Credit tokens.

When Played: Exhaust an enemy unit. If you do and that unit costs 3 or less, its controller discards a card from their hand.

Create a Credit token. You may deal damage to a unit equal to the number of friendly Credit tokens.

Return a non-leader unit that costs 3 or less to its owner's hand.

Play an Item upgrade from your discard pile. It costs 3 resources less. At the start of the next regroup phase, defeat it.

Create a Credit token.