Wild Onslaught (DOM) from Dominaria, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Simon Dominic
• Card Text:
  Kicker 4 (You may pay an additional 4 as you cast this spell.)
  Put a +1/+1 counter on each creature you control. If this spell was kicked, put two +1/+1 counters on each creature you control instead.