March of the Machine Commander

Thopter Assembly

Flying
At the beginning of your upkeep, if you control no Thopters other than Thopter Assembly, return Thopter Assembly to its owner's hand and create five 1/1 colorless Thopter artifact creature tokens with flying.

Commander 2018

Duel Decks: Elves vs. Inventors

Magic Online Promos

Mirrodin Besieged

Flying
At the beginning of your upkeep, if you control no Thopters other than Thopter Assembly, return Thopter Assembly to its owner's hand and put five 1/1 colorless Thopter artifact creature tokens with flying onto the battlefield.