If you use the "Union Brothers" (Driver and Pilot), the Core becomes a 1 card full combo, please try it. Regulus equips the Driver milled by Rampage and summons it for Nova and Infinity :)
Machine assembly line is a decent continuous spell for machines. Boosts them by 200 atk and can potentially be sacrificed for a graveyard effect. Obviously itd make quick work for searching clockwork night