Aether Meltdown (KLD) from Kaladesh, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Jason Felix
• Card Text:
  Flash (You may cast this spell any time you could cast an instant.)
  Enchant creature or Vehicle
  When Aether Meltdown enters the battlefield, you get EE (two energy counters).
  Enchanted permanent gets -4/-0.