
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

Rust Harvester | Artifact Creature | Robot | Menace
{2}, {T}, Exile an artifact card from your graveyard: Put a +1/+1 counter on this creature, then it deals damage equal to its power to any target. | Jake Murray

Dyadrine, Synthesis Amalgam | Legendary Artifact Creature | Construct | Trample
Dyadrine enters with a number of +1/+1 counters on it equal to the amount of mana spent to cast it.
Whenever you attack, you may remove a +1/+1 counter from each of two creatures you control. If you do, draw a card and create a 2/2 colorless Robot artifact creature token. | Igor Grechanyi

Pinnacle Emissary | Artifact Creature | Robot | Whenever you cast an artifact spell, create a 1/1 colorless Drone artifact creature token with flying and "This token can block only creatures with flying."
Warp {U/R} (You may cast this card from your hand for its warp cost. Exile this creature at the beginning of the next end step, then you may cast it from exile on a later turn.) | Alejandro Pacheco