Setessan Petitioner (THB) from Theros Beyond Death, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Livia Prima
• Card Text:
  When Setessan Petitioner enters the battlefield, you gain life equal to your devotion to green. (Each G in the mana costs of permanents you control counts toward your devotion to green.)