Hall of Inventor's Inventors

At the beginning of your untap step, pay {e} (an energy counter) for each artifact creature you control with power 1 or less or sacrifice Hall of Inventor's Inventors.
At the beginning of your upkeep, create a 1/1 colorless Programmable Bot artifact creature token.
{t}, Tap six Programmable Bots: Put an artifact with converted mana cost 6 or less from your hand onto the battlefield.