Cascadia, Green Mana Battery

Robotize {4}{g} (whenever this card destroys a creature during the battle phase you may pay
the cost and place a 4/4 artifact creature on your field)
{t}: Add 6 {g} Mana to your Mana pool
My Lovely Cascadia, she joined my little plan
with no objections. So eager, so perfect for my
green mana battery - Technaclaw lab notes