Oathsteel Walker

When Oathsteel Carrier is cast, it gets X Gear counters, where X is your number of artifacts.
{t}: Put a Gear counter on Oathsteel Walker.
{1}, remove a Gear counter: create a 1/1 colorless
Thopter Artifact Creature Token with Flying.
{1}, remove a Gear counter: create a 2/1 colorless
Construct Artifact Creature Token with Haste.
{2}, remove a Gear counter: create a 2/3 colorless
Golem Artifact Creature Token with Defender,
First Strike, and "{t}: Add {c}"