Meadowboon (MOR) from Morningtide, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Steven Belledin
• Card Text:
  When Meadowboon leaves play, put a +1/+1 counter on each creature target player controls.
  Evoke 3W (You may play this spell for its evoke cost. If you do, it's sacrificed when it comes into play.)