Something
Regular
The Brothers' War
Autonomous Assembler
Collector Number:
34
Card Type:
Artifact Creature — Assembly-Worker
Mana Cost:
Oracle Text:
Prototype 
— 2/2 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)
Vigilance, 
: Put a +1/+1 counter on target Assembly-Worker you control.
Prints
Formats
Not Legalstandard
Not Legalfuture
Legalhistoric
Legaltimeless
Legalgladiator
Legalpioneer
Legalmodern
Legallegacy
Not Legalpauper
Legalvintage
Legalpenny
Legalcommander
Legaloathbreaker
Not Legalstandardbrawl
Legalbrawl
Not Legalalchemy
Not Legalpaupercommander
Legalduel
Not Legaloldschool
Not Legalpremodern
Not Legalpredh
Not Legaltlr