MTG Salvation

Whenever Scrap Trawler or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in your graveyard with lesser converted mana cost.

Flying, vigilance

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

You may remove a loyalty counter from a planeswalker you control rather than pay Heart of Kiran's crew cost.

Whenever you cast a spell, untap all nonland permanents you control.

8, T: Search your library for a permanent card, put it onto the battlefield, then shuffle your library.

1W: Another target Vehicle you control becomes an artifact creature until end of turn.

Crew 4 (Tap any number of creatures you control with total power 4 or more: This Vehicle becomes an artifact creature until end of turn.)

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for 1.)

Crew 6 (Tap any number of creatures you control with total power 6 or more: This Vehicle becomes an artifact creature until end of turn.)

Whenever Gonti's Aether Heart or another artifact enters the battlefield under your control, you get EnERGyEnERGy (two energy counters).

Pay EnERGyEnERGyEnERGyEnERGyEnERGyEnERGyEnERGyEnERGy, Exile Gonti's Aether Heart: Take an extra turn after this one.

As Metallic Mimic enters the battlefield, choose a creature type.

Metallic Mimic is the chosen type in addition to its other types.

Each other creature you control of the chosen type enters the battlefield with an additional +1/+1 counter on it.

Trample

Whenever Untethered Express attacks, put a +1/+1 counter on it.

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

2, T: Tap target artifact or creature.

3U, T, Tap X untapped artifacts you control: Look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Flying

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for 1.)

Renegade Map enters the battlefield tapped.

T, Sacrifice Renegade Map: Search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.

Walking Ballista enters the battlefield with X +1/+1 counters on it.

4: Put a +1/+1 counter on Walking Ballista.

Remove a +1/+1 counter from Walking Ballista: It deals 1 damage to any target.

W, Sacrifice Implement of Improvement: You gain 2 life.

When Implement of Improvement is put into a graveyard from the battlefield, draw a card.

G, Sacrifice Implement of Ferocity: Put a +1/+1 counter on target creature. Activate this ability only any time you could cast a sorcery.

When Implement of Ferocity is put into a graveyard from the battlefield, draw a card.

R, Sacrifice Implement of Combustion: It deals 1 damage to target player or planeswalker.

When Implement of Combustion is put into a graveyard from the battlefield, draw a card.

B, Sacrifice Implement of Malice: Target player discards a card. Activate this ability only any time you could cast a sorcery.

When Implement of Malice is put into a graveyard from the battlefield, draw a card.

U, Sacrifice Implement of Examination: Draw a card.

When Implement of Examination is put into a graveyard from the battlefield, draw a card.

7: Create a token that's a copy of target artifact. That token gains haste. Exile it at the beginning of the next end step.

When Treasure Keeper dies, reveal cards from the top of your library until you reveal a nonland card with converted mana cost 3 or less. You may cast that card without paying its mana cost. Put all revealed cards not cast this way on the bottom of your library in a random order.

At the beginning of your upkeep, scry 1.

Whenever you cast a creature spell, you may pay G. If you do, draw a card.

Flying

Sacrifice Hope of Ghirapur: Until your next turn, target player who was dealt combat damage by Hope of Ghirapur this turn can't cast noncreature spells.

Flying

When Aethersphere Harvester enters the battlefield, you get EnERGyEnERGy (two energy counters).

Pay EnERGy: Aethersphere Harvester gains lifelink until end of turn.

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

T: Target opponent loses 1 life. If you control a Tezzeret planeswalker, that player loses 3 life instead.

When Pendulum of Patterns enters the battlefield, you gain 3 life.

5, T, Sacrifice Pendulum of Patterns: Draw a card.

7, T, Sacrifice Universal Solvent: Destroy target permanent.

3R: Welder Automaton deals 1 damage to each opponent.

2U: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

3G: Put a +1/+1 counter on Verdant Automaton.

4W: Return another target creature you control to its owner's hand.

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

When Reservoir Walker enters the battlefield, you gain 3 life and get EnERGyEnERGyEnERGy (three energy counters).

1B: Augmenting Automaton gets +1/+1 until end of turn.

Night Market Guard can block an additional creature each combat.

Whenever Mobile Garrison attacks, untap another target artifact or creature you control.

Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for 1.)

Barricade Breaker attacks each combat if able.

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

T: You get EnERGy (an energy counter).

T, Pay EnERGyEnERGyEnERGy: Consulate Turret deals 2 damage to target player or planeswalker.

Whenever you activate an ability of an artifact or creature that isn't a mana ability, Crackdown Construct gets +1/+1 until end of turn.

At end of combat, if Daredevil Dragster attacked or blocked this combat, put a velocity counter on it. Then if it has two or more velocity counters on it, sacrifice it and draw two cards.

Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

When Filigree Crawler dies, create a 1/1 colorless Thopter artifact creature token with flying.