When Aether Hub enters, you get (an energy counter).
: Add .
, Pay : Add one mana of any color.

Flying

Inventor's Apprentice gets +1/+1 as long as you control an artifact.

Counter target colorless spell.

, : Tap target artifact or creature.

When Minister of Inquiries enters, you get (two energy counters).
, Pay : Target player mills three cards.

Deathtouch
Revolt — Narnam Renegade enters with a +1/+1 counter on it if a permanent you controlled left the battlefield this turn.

Destroy target creature if it has mana value 2 or less.
Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent you controlled left the battlefield this turn.

Target creature you control gets +2/+2 and gains hexproof until end of turn.

When Servo Schematic enters or is put into a graveyard from the battlefield, create a 1/1 colorless Servo artifact creature token.

When Voltaic Brawler enters, you get (two energy counters).
Whenever Voltaic Brawler attacks, you may pay . If you do, it gets +1/+1 and gains trample until end of turn.

Choose one —
• Target creature gets +4/+0 and gains trample until end of turn.
• Two target creatures each get +2/+0 and gain trample until end of turn.

Whenever an artifact you control enters, you may pay . If you do, each opponent loses 1 life and you gain 1 life.
, Sacrifice Underhanded Designs: Destroy target creature. Activate only if you control two or more artifacts.

Whenever an artifact or Artificer you control enters, you may pay . If you do, you get (two energy counters).
Pay six , Sacrifice Era of Innovation: Draw three cards.

Target creature you control gains vigilance and trample until end of turn. It deals damage equal to its power to target creature you don't control.

Create two 1/1 colorless Servo artifact creature tokens.

Flying
When Glint-Nest Crane enters, look at the top four cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Sacrifice an artifact: Ravenous Intruder gets +2/+2 until end of turn.

Revolt — At the beginning of your end step, if a permanent you controlled left the battlefield this turn, create a 1/1 colorless Servo artifact creature token.
, Sacrifice a creature: Scry 1.

Fretwork Colony can't block.
At the beginning of your upkeep, put a +1/+1 counter on Fretwork Colony and you lose 1 life.

Flash (You may cast this spell any time you could cast an instant.)
Whenever Shielded Aether Thief blocks, you get (an energy counter).
, Pay : Draw a card.

Haste
Whenever Speedway Fanatic crews a Vehicle, that Vehicle gains haste until end of turn.

, Sacrifice Restoration Specialist: Return up to one target artifact card and up to one target enchantment card from your graveyard to your hand.

When Servant of the Conduit enters, you get (two energy counters).
, Pay : Add one mana of any color.

Lifelink
Whenever an artifact you control enters, scry 1.

Whenever Longtusk Cub deals combat damage to a player, you get (two energy counters).
Pay : Put a +1/+1 counter on Longtusk Cub.

First strike
Whenever Gearshift Ace crews a Vehicle, that Vehicle gains first strike until end of turn.

Whenever a creature you control enters, you get (an energy counter).
, : Return target creature you control to its owner's hand.

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature or Vehicle
When Aether Meltdown enters, you get (two energy counters).
Enchanted creature gets -4/-0.

Deathtouch, lifelink

Choose target creature. You get (three energy counters), then you may pay any amount of . Harnessed Lightning deals that much damage to that creature.

If one or more counters would be put on an artifact or creature you control, that many plus one of each of those kinds of counters are put on that permanent instead.
If you would get one or more counters, you get that many plus one of each of those kinds of counters instead.

Flying
Whenever Skyship Plunderer deals combat damage to a player, for each kind of counter on target permanent or player, give that permanent or player another counter of that kind.

When Veteran Motorist enters, scry 2.
Whenever Veteran Motorist crews a Vehicle, that Vehicle gets +1/+1 until end of turn.

Embraal Bruiser enters tapped.
Embraal Bruiser has menace as long as you control an artifact.

When Aethertorch Renegade enters, you get (four energy counters).
, Pay : Aethertorch Renegade deals 1 damage to target creature.
, Pay eight : Aethertorch Renegade deals 6 damage to target player or planeswalker.