Standard, Assembly-Worker (2)
Vigilance
, : Put a +1/+1 counter on target Assembly-Worker you control.
//PRT-Prototype_Mech//
Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)
2/2
: Add .
: Mishra's Foundry becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
, : Target attacking Assembly-Worker gets +2/+2 until end of turn.
Gatherer works better in the Companion app!
, 
: Put a +1/+1 counter on target Assembly-Worker you control.