Era of Innovation is a uncommon Enchantment card from Aetherdrift Commander (DRC), collector number 75. Current market price: $0.29, TCGplayer market prices via Scryfall.
Whenever an artifact or Artificer you control enters, you may pay {1}. If you do, you get {E}{E} (two energy counters). Pay six {E}, Sacrifice this enchantment: Draw three cards.