Salvage Scuttler | Creature | Crab | Whenever Salvage Scuttler attacks, return an artifact you control to its owner's hand. | Tony Foti
Shielded Aether Thief | Creature | Vedalken Rogue | Flash (You may cast this spell any time you could cast an instant.)
Whenever Shielded Aether Thief blocks, you get {E} (an energy counter).
{T}, Pay {E}{E}{E}: Draw a card. | Lake Hurwitz
Skyship Plunderer | Creature | Human Pirate | 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. | Slawomir Maniak
Trophy Mage | Creature | Human Wizard | When Trophy Mage enters the battlefield, you may search your library for an artifact card with mana value 3, reveal it, put it into your hand, then shuffle. | Anna Steinbauer
Wind-Kin Raiders | Creature | Human Artificer | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Flying | Shreya Shetty
Spire Patrol | Creature | Human Soldier | Flying
When Spire Patrol enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. | Dan Scott
Maverick Thopterist | Creature | Human Artificer | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
When Maverick Thopterist enters the battlefield, create two 1/1 colorless Thopter artifact creature tokens with flying. | Zack Stella
Rogue Refiner | Creature | Human Rogue | When Rogue Refiner enters the battlefield, draw a card and you get {E}{E} (two energy counters). | Victor Adame Minguez