MTG Single

Autonomous Assembler (Extended Art) [The Brothers' War]

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Set: The Brothers' War
Type: Artifact Creature — Assembly-Worker
Rarity: Rare
Cost: {5}
Prototype {1}{W} — 2/2 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

Vigilance

{1}, {T}: Put a +1/+1 counter on target Assembly-Worker you control.