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Thopter Assembly [Mirrodin Besieged Promos]
Rare
| Set: | Mirrodin Besieged Promos |
| Type: | Artifact Creature — Thopter |
| Cost: | {6} |
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.
