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 

Locked and Loaded (Blue)

The next Mechanologist attack action card you play this turn gains +1 [Power].

If you have boosted this turn, opt 1. (Look at the top card of your deck. You may put it on the bottom.)

Go again

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].

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.)

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.)

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.)

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

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.)

Talishar, the Lost Prince

Once per Turn Action - [2 Resource], put a rust counter on Talishar, the Lost Prince: Attack

At the beginning of your end phase, if Talishar, the Lost Prince has 3 or more rust counters on it, destroy it.

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.)

Combustible Courier (Red)

High Speed Impact (Red)

Locked and Loaded (Red)

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

If you have boosted this turn, opt 1. (Look at the top card of your deck. You may put it on the bottom.)

Go again

High Octane (Red)

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

Draw a card.

Go again

Maximum Velocity

Play Maximum Velocity only if you have boosted 3 or more times this turn.

Overblast (Red)

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

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

T-Bone (Red)

Over Loop (Red)

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.)

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.)

Throttle (Red)

Zero to Sixty (Red)

Zipper Hit (Red)

T-Bone (Yellow)

Throttle (Yellow)

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.)