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.
Autonomous Assembler (PPBRO-034) - The Brothers' War Promos
— 2/2 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)
: Put a +1/+1 counter on target Assembly-Worker you control.
