Backup Protocol: BLU

Crank (As this enters the arena, you may remove a steam counter from it. If you do, gain an action point.)
This enters the arena with a steam counter. At the start of your turn, destroy this unless you remove a steam counter from it.
Instant -- {r}{r}, destroy this: Return a blue Mechanologist attack action card from your graveyard to your hand.

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.

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].

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.)

Adaptive Plating

Modular (This may be equipped to any equipment zone. It has the subtype of the zone it's equipped to.)
Action -- 0: Equip this to another equipment zone.
Galvanize - When this defends, you may destroy an item you control. If you do, this gets +2{d} until end of turn.
Blade Break (When the combat chain closes, if this defended, destroy it.)

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.)

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

Symbiosis Shot

Dash Specialization (You may only have this in your deck if your hero is Dash.)
Action -- Remove a steam counter from this: Attack
Whenever a Mechanologist item enters the arena under your control, if this has fewer than 6 steam counters, you may put a steam counter on this.

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.)

Backup Protocol: RED

Crank (As this enters the arena, you may remove a steam counter from it. If you do, gain an action point.)
This enters the arena with a steam counter. At the start of your turn, destroy this unless you remove a steam counter from it.
Instant -- {r}{r}, destroy this: Return a red Mechanologist attack action card from your graveyard to your hand.

Boom Grenade (Red)

Crank (As this enters the arena, you may remove a steam counter from it. If you do, gain an action point.)
This enters the arena with a steam counter. At the start of your turn, destroy this unless you remove a steam counter from it.
When a Mechanologist attack action card you control hits a hero, destroy this and deal 4 damage to them.

Convection Amplifier

Convection Amplifier enters the arena with 2 steam counters on it. When Convection Amplifier  has no steam counters on it, destroy it.

Action - Remove a steam counter from Convection Amplifier: The next attack action card you play this turn gains dominate. Go again (The defending hero can't defend the attack with more than 1 card from their hand.)

Dissolving Shield (Red)

Crank (As this enters the arena, you may remove a steam counter from it. If you do, gain an action point.)
This enters the arena with 3 steam counters. At the start of your turn, destroy this unless you remove a steam counter from it.
Instant -- Remove a steam counter from this: Prevent the next 1 damage that would be dealt to you this turn. If this has no steam counters, destroy it.

Fender Bender (Red)

Boost
This gets +X{p}, where X is the number of equipment defending it.

Heist

Boost
When this hits a hero, you may put an item with cost 0 or 1 from any banished zone into the arena under your control.

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.

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

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)

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.)

Twin Drive

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

Zero to Sixty (Red)

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 (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.)

Penetration Script

Crank (As this enters the arena, you may remove a steam counter from it. If you do, gain an action point.)
This enters the arena with a steam counter. At the start of your turn, destroy this unless you remove a steam counter from it.
Your Mechanologist attack action cards get +1{p}.

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.

Tome of Fyendal

Draw 2 cards.
 
If Tome of Fyendal is played from arsenal, gain 1 [Life] for each card in your hand.

Dash I/O

You may look at the top card of your deck at any time.
Once per turn, you may play a Mechanologist item with cost 0 or 1 from the top of your deck as though it were an instant. It costs an additional {r} to play.