Format legality
- –standardNot legal
- ✓pioneerLegal
- ✓modernLegal
- ✓legacyLegal
- ✓vintageLegal
- ✓commanderLegal
- –pauperNot legal
- ✓brawlLegal
Autonomous Assembler
Artifact Creature: Assembly: Worker - The Brothers' War #309 - Rare - (EN)
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.
- 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.Loading market prices…
Format legality
- –standardNot legal
- ✓pioneerLegal
- ✓modernLegal
- ✓legacyLegal
- ✓vintageLegal
- ✓commanderLegal
- –pauperNot legal
- ✓brawlLegal