Grateful Apparition (WAR) from War of the Spark, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Izzy
• Card Text:
  Flying
  Whenever Grateful Apparition deals combat damage to a player or planeswalker, proliferate. (Choose any number or permanents and/or players, then give each another counter of each kind already there.)