Combustible Courier (Blue)

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

Boost 

Payload (Blue)

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.)

T-Bone (Blue)

If you control a card on the combat chain that was boosted, the defending hero must defend T-Bone with an equipment they control if able.

Boost (As an additional cost to play T-Bone, you may banish the top card of your deck. If it's a Mechanologist card, T-Bone gains go again.)

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].

Teklo Pounder

Teklo Pounder enters the arena with 3 steam counters on it. When Teklo Pounder has no steam counters on it, destroy it. 

Once per Turn Effect- Whenever you boost an attack action card, remove a steam counter from Teklo Pounder. If you do, the attack gains +2[Power].

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.)

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.)

Crown of Providence

When you defend with Crown of Providence, you may put a card from your hand or arsenal on the bottom of your deck. If you do, draw a card.

Blade Break (When the combat chain closes, if this defended, destroy it.)

Gambler's Gloves

Whenever a hero rolls a 6 sided die, you may destroy Gambler's Gloves. If you do, that hero rerolls the die. (You decide whether to use Gambler's Gloves after seeing the result of the die roll.)

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 Gauntlet

When you defend with Ironhide Gauntlet 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.)

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 Foundry Heart

Once per Turn Action - [1 Resource]: Banish the top 2 cards of your deck. Gain [1 Resource] for each Mechanologist card banished this way. Activate this ability only if you have boosted this turn. Go again

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

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.)

Combustible Courier (Red)

High Octane

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

Draw a card.

Go again

High Speed Impact (Red)

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

Boost 

Overblast (Red)

Overblast gains +X[Power], where X is the number of times you have boosted this combat chain.

Payload (Red)

Pedal to the Metal (Red)

If Pedal to the Metal hits, your next attack this turn gains dominate. (The defending hero can't defend Pedal to the Metal with more than 1 card from their hand.)

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

Rotary Ram (Red)

The next Mechanologist attack action card you play this turn gains +3[Power].

If you have boosted this turn, put Rotary Ram on the bottom of your deck.

Go again

Throttle (Red)

Zero to Sixty (Red)

Zipper Hit (Red)

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.)

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

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.)