Efficient Construction | Enchantment | | Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying. | Jonas De Ro
Illusionist's Stratagem | Instant | | Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control.
Draw a card. | Svetlin Velinov
Leave in the Dust | Instant | | Return target nonland permanent to its owner's hand.
Draw a card. | Vincent Proce
Mechanized Production | Enchantment | Aura | Enchant artifact you control
At the beginning of your upkeep, create a token that's a copy of enchanted artifact. Then if you control eight or more artifacts with the same name as one another, you win the game. | Adam Paquette
Quicksmith Spy | Creature | Human Artificer | When Quicksmith Spy enters the battlefield, target artifact you control gains "{T}: Draw a card" for as long as you control Quicksmith Spy. | Ryan Alexander Lee
Shipwreck Moray | Creature | Fish | When Shipwreck Moray enters the battlefield, you get {E}{E}{E}{E} (four energy counters).
Pay {E}: Shipwreck Moray gets +2/-2 until end of turn. | Mike Bierek
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
Tezzeret the Schemer | Legendary Planeswalker | Tezzeret | +1: Create a colorless artifact token named Etherium Cell with "{T}, Sacrifice this artifact: Add one mana of any color."
−2: Target creature gets +X/-X until end of turn, where X is the number of artifacts you control.
−7: You get an emblem with "At the beginning of combat on your turn, target artifact you control becomes an artifact creature with base power and toughness 5/5." | Ryan Alexander Lee