Combustible Courier (Blue)

If Combustible Courier hits, the next attack you boost this combat chain gains +3 [Power].

Boost 

High Speed Impact (Blue)

If High Speed Impact hits, the next attack you boost this combat chain gains dominate.

Boost 

Meganetic Shockwave

The defending hero must defend Meganetic Shockwave with X equipment they control, where X is the number of times you have boosted this combat chain.

Over Loop (Blue)

If Over Loop hits, put it on the bottom of your deck.

Boost (As an additional cost to play Over Loop, you may banish the top card of your deck. If it's a Mechanologist card, Over Loop gains go again.)

Signal Jammer

Signal Jammer enters the arena with a steam counter on it. 

At the beginning of your action phase, destroy Signal Jammer unless you remove a steam counter from it. Each hero can't play more than 1 'non-attack' action card each turn.

Teklo Core

Dash Specialization (You may only have Teklo Core in your deck if your hero is Dash.)

Teklo Core enters the arena with 2 steam counters on it. When Teklo Core has no steam counters on it, destroy it.

At the beginning of your action phase, remove a steam counter from Teklo Core and gain [2 Resource].

Throttle (Blue)

Boost (As an additional cost to play Throttle, you may banish the top card of your deck. If it's a Mechanologist card, Throttle gains go again.)

Zero to Sixty (Blue)

Boost (As an additional cost to play Zero to Sixty, you may banish the top card of your deck. If it's a Mechanologist card, Zero to Sixty gains go again.)

Zipper Hit (Blue)

Boost (As an additional cost to play Zipper Hit, you may banish the top card of your deck. If it's a Mechanologist card, Zipper Hit gains go again.)

Achilles Accelerator

Instant - Destroy Achilles Accelerator: Gain 1 action point. Activate this ability only if you have boosted this turn.

Arcane Barrier 1 (If your hero would be dealt arcane damage, you may pay [1 Resource] instead. If you do, prevent 1 arcane damage that source would deal.)

Arcanite Skullcap

If you have less [Life] than an opposing hero, Arcanite Skullcap has +1[Defense] and Arcane Barrier 3. (If your hero would be dealt arcane damage, you may pay [3 Resource] instead. If you do, prevent 3 arcane damage that source would deal.)

Battleworn (If you defend with Arcanite Skullcap, put a -1[Defense] counter on it when the combat chain closes.)

Fyendal's Spring Tunic

At the start of your turn, if Fyendal's Spring Tunic has less than 3 energy counters on it, you may put an energy counter on it.

Instant - Remove 3 energy counters from Fyendal's Spring Tunic: Gain [1 Resource]

Blade Break (If you defend with Fyendal's Spring Tunic, destroy it when the combat chain closes.)

Goliath Gauntlet

Action - Destroy Goliath Gauntlet: The next attack action card with cost 2 or greater you play this turn gains +2 [Power]. Go again

Ironhide Legs

When you defend with Ironhide Legs, you may pay [1 Resource]. If you do, it gains +2[Defense] and destroy it when the combat chain closes. (When an equipment is destroyed, it's put into the graveyard.)

Nullrune Gloves

Arcane Barrier 1 (If your hero would be dealt arcane damage, you may pay [1 Resource] instead. If you do, prevent 1 arcane damage that source would deal.)

Teklo Plasma Pistol

Action - Remove a steam counter from Teklo Plasma Pistol: Attack

Action - [1 Resource]: If there are no steam counters on Telko Plasma Pistol, put a steam counter on it. Go again

Viziertronic Model i

Action - Destroy Vizertronic Model i: Whenever you boost this turn, draw a card then put a card from your hand on top of your deck. Go again

Arcane Barrier 2 (If your hero would be dealt arcane damage, you may pay [2 Resource] instead. If you do, prevent 2 arcane damage that source would deal.)

Erase Face

When Erase Face hits a hero, cards and tokens they own lose all class and talent types until the end of their next turn.

Fyendal's Fighting Spirit (Red)

When you attack or defend with Fyendal's Fighting Spirit, if you have less {g} than an opposing hero, gain 1{g}.

High Octane

Whenever you boost a card this turn, gain 1 action point.

Draw a card.

Go again

High Speed Impact (Red)

Induction Chamber

Action - [1 Resource]: If there are no steam counters on Induction Chamber, put a steam counter on it. Go again

Once per Turn Attack Reaction - Remove a steam counter from Induction Chamber: Target Mechanologist pistol attack gains go again. 

Oasis Respite (Red)

Prevent the next 4 damage that would be dealt to target hero this turn by a source of your choice. If they have less life than each other hero, they may gain 1{g}.

Payload (Red)

If you have boosted this combat chain, Payload gains dominate. (The defending hero can't defend Payload with more than 1 card from their hand.)

Plasma Purifier

Action - [1 Resource]: If there are no steam counters on Plasma Purifier, put a steam counter on it. Go again

Once per Turn Action - Remove a steam counter from Plasma Purifier: Target Mechanologist pistol you control gains +1 [Power] until end of turn. Go again 

Pummel (Red)

Choose 1;
 
- Target club or hammer weapon attack gains +4 [Power].
- Target attack action card with cost [2 Resource] or greater gains +4 [Power] and "If this hits, the defending hero discards a card."

Reinforce the Line (Red)

Target defending attack action card gains +4[Defense].

Sink Below (Red)

You may put a card from your hand on the bottom of your deck. If you do, draw a card.

Throttle (Red)

Unmovable (Red)

If Unmovable is played from arsenal, it gains +1 [Defense].

Zero to Sixty (Red)

Zipper Hit (Red)

Dissolution Sphere (Yellow)

Dissolution Sphere enters the arena with a steam counter on it. 

At the beginning of your action phase, destroy Dissolution Sphere unless you remove a steam counter from it. Whenever your hero would be dealt exactly 1 damage, prevent it.

Spark of Genius

Dash Specialization (You may only have Spark of Genius in your deck if your hero is Dash.)

Search your deck for a Mechanologist item card with cost X, put it into the arena, then shuffle your deck.

If you have boosted this turn, draw a card.

Zero to Sixty (Yellow)

Zipper Hit (Yellow)

Dash, Inventor Extraordinaire

You may start the game with a Mechanologist item with cost [2 Resource] or less in the arena. (It is considered to have entered the arena.)