"All Must Serve"

As an additional cost to cast this spell, pay 3 life.
At the beginning of your upkeep, choose any number:
Mechanic—Pay 1 life: Put two +1/+1 counters on target vehicle you control.
Pilot— Pay 1 life: Create a White 1/1 pilot creature token with Pilot 3.
Soldier— Pay 2 life :Create a Red 2/2 soldier creature token.
Factory worker{line} Pay 3 life: Create two powerstone tokens.
Children as young as 12 fought on the front lines