name: Autonomous Assembler
printings: BRO, PBRO, PRM
text: 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.
type: Artifact Creature — Assembly-Worker