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.)

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.)

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.)

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

Hanabi Blaster

Once per Turn Action -- Remove 2 steam counters from Hanabi Blaster: Attack
Overpower (This can't be defended by more than 1 action card.)
The third time you play a card with boost each turn, put a steam counter on Hanabi Blaster.

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.)

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.)

Bios Update

The next attack action card you boost this turn gains +3{p}.
The next time a Mechanologist item with cost 2 or less is banished to pay a boost cost this turn, put it into the arena.
Go again

High Speed Impact (Red)

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

Boost 

Over Loop (Red)

Overblast (Red)

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

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.)

Pulsewave Harpoon

When this attacks a hero, they reveal X cards from their hand, where X is the number of times you've boosted this combat chain. Choose an action card with {d} less than or equal to X then add it to this chain link as a defending card.
Boost

Scramble Pulse (Red)

Equipment have -1{d} while defending this combat chain.
Boost (As an additional cost to play this, you may banish the top card of your deck. If it's Mechanologist, this gains go again.)

T-Bone (Red)

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.)

Throttle (Red)

Zero to Sixty (Red)

Zipper Hit (Red)

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.

Throttle (Yellow)

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.)