
Emissary Escort | Artifact Creature | Robot Soldier | This creature gets +X/+0, where X is the greatest mana value among other artifacts you control. | Igor Grechanyi

Illvoi Operative | Creature | Jellyfish Rogue | Whenever you cast your second spell each turn, put a +1/+1 counter on this creature. | Quintin Gleim

Mechan Navigator | Artifact Creature | Robot Pilot | Whenever this creature becomes tapped, draw a card, then discard a card. | Konstantin Porubov

Mechan Shieldmate | Artifact Creature | Robot Soldier | Defender
As long as an artifact entered the battlefield under your control this turn, this creature can attack as though it didn't have defender. | Daniel Ljunggren

Steelswarm Operator | Artifact Creature | Robot Soldier | Flying
{T}: Add {U}. Spend this mana only to cast an artifact spell.
{T}: Add {U}{U}. Spend this mana only to activate abilities of artifact sources. | Cristi Balanescu

Station Monitor | Creature | Lizard Artificer | Whenever you cast your second spell each turn, create a 1/1 colorless Drone artifact creature token with flying and "This token can block only creatures with flying." | Camille Alquier

Biomechan Engineer | Creature | Insect Artificer | When this creature enters, create a Lander token. (It's an artifact with "{2}, {T}, Sacrifice this token: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.")
{8}: Draw two cards and create a 2/2 colorless Robot artifact creature token. | Monztre

Genemorph Imago | Creature | Insect Druid | Flying
Landfall — Whenever a land you control enters, target creature has base power and toughness 3/3 until end of turn. If you control six or more lands, that creature has base power and toughness 6/6 until end of turn instead. | Brian Valeza