Llanowar Mentor (FUT) from Future Sight, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Trevor Hairsine
• Card Text:
  G, T, Discard a card: Put a 1/1 green Elf Druid creature token named Llanowar Elves into play with "T: Add G to your mana pool."