Conviction

Enchant creature
Enchanted creature gets +1/+3.
{W}: Return Conviction to its owner's hand.

Fragmentize

Destroy target artifact or enchantment with mana value 4 or less.

Aetherstorm Roc

Flying
Whenever Aetherstorm Roc or another creature you control enters, you get {E} (an energy counter).
Whenever Aetherstorm Roc attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it and tap up to one target creature defending player controls.

Aviary Mechanic

When Aviary Mechanic enters, you may return another permanent you control to its owner's hand.

Audacious Infiltrator

Audacious Infiltrator can't be blocked by artifact creatures.

Eddytrail Hawk

Flying
When Eddytrail Hawk enters, you get {E}{E} (two energy counters).
Whenever Eddytrail Hawk attacks, you may pay {E}. If you do, another target attacking creature gains flying until end of turn.

Airdrop Aeronauts

Flying
Revolt — When Airdrop Aeronauts enters, if a permanent you controlled left the battlefield this turn, you gain 5 life.

Speedway Fanatic

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

Chandra's Pyrohelix

Chandra's Pyrohelix deals 2 damage divided as you choose among one or two targets.

Plains

Mountain

Built to Smash

Target attacking creature gets +3/+3 until end of turn. If it's an artifact creature, it gains trample until end of turn.

Aethertorch Renegade

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

Glint-Sleeve Artisan

Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)

Visionary Augmenter

Fabricate 2 (When this creature enters, put two +1/+1 counters on it or create two 1/1 colorless Servo artifact creature tokens.)

Propeller Pioneer

Flying
Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)

Welding Sparks

Welding Sparks deals X damage to target creature, where X is 3 plus the number of artifacts you control.

Ballista Charger

Whenever Ballista Charger attacks, it deals 1 damage to any target.
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.)

Workshop Assistant

When Workshop Assistant dies, return another target artifact card from your graveyard to your hand.

Depala, Pilot Exemplar

Other Dwarves you control get +1/+1.
Each Vehicle you control gets +1/+1 as long as it's a creature.
Whenever Depala, Pilot Exemplar becomes tapped, you may pay {X}. If you do, reveal the top X cards of your library, put all Dwarf and Vehicle cards from among them into your hand, then put the rest on the bottom of your library in a random order.

Dawnfeather Eagle

Flying
When Dawnfeather Eagle enters, creatures you control get +1/+1 and gain vigilance until end of turn.

Quicksmith Rebel

When Quicksmith Rebel enters, target artifact you control gains "{T}: This artifact deals 2 damage to any target" for as long as you control Quicksmith Rebel.

Fireforger's Puzzleknot

When Fireforger's Puzzleknot enters, it deals 1 damage to any target.
{2}{R}, Sacrifice Fireforger's Puzzleknot: It deals 1 damage to any target.