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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.
Abilities, attacks, weakness & resistance
Other cards from Mirrodin Besieged Promos
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Thopter Assembly (PMBS-140 foil) is a rare Artifact Creature — Thopter from the Mirrodin Besieged promos. It has flying and an upkeep-triggered ability that returns it to your hand if you control no other Thopters and then creates five 1/1 colorless Thopter artifact creature tokens with flying. The card functions as a token-generating finisher or recurring threat in artifact- and token-focused strategies.
Catalog pricing data as of 17 Apr 2026, 05:19
