Thopter Assembly is a rare Artifact Creature — Thopter card from Magic: The Gathering (Mirrodin Besieged Promos, PMBS).
Rare
Mirrodin Besieged Promos (PMBS)
{6}
Power / Toughness
5 / 5
Mana Value
6
Card Text
Flying
At the beginning of your upkeep, if you control no Thopters other than this creature, return this creature to its owner's hand and create five 1/1 colorless Thopter artifact creature tokens with flying.
