Doubling Season (2XM) from Double Masters, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Normal
• Artist: Chuck Lukacs
• Card Text:
  If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.
  If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.