Era of Innovation is a uncommon Enchantment card from Modern Horizons 3 Commander (M3C), collector number 183. Current market price: $0.21, 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.