Energy Flux (3ED) from Revised Edition, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Kaja Foglio
• Card Text:
  All artifacts in play now require an upkeep cost of 2 in addition to any other upkeep costs they may have. If the upkeep cost for an artifact is not paid, the artifact must be discarded.