Evo Battery Pack

If you have a base chest equipped, transform it into this, then equip this. (Put it under this in your chest zone.)
Once per Turn Instant -- Destroy a card under this: Put a steam counter on an item you control with crank.
Blade Break (When the combat chain closes, if this defended, destroy it.)

If you have a base chest equipped, transform it into this, then equip this. (Put it under this in your chest zone.)
Once per Turn Instant -- Destroy a card under this: Put a steam counter on an item you control with crank.
Blade Break (When the combat chain closes, if this defended, destroy it.)