Wedding Ring (VOC) from Crimson Vow Commander, available at 401 Games Canada.

• Rarity: Mythic Rare
• Finish: Normal
• Artist: Olena Richards
• Card Text:
  When Wedding Ring enters the battlefield, if it was cast, target opponent creates a token that's a copy of it.
  Whenever an opponent who controls an artifact named Wedding Ring draws a card during their turn, you draw a card.
  Whenever an opponent who controls an artifact named Wedding Ring gains life during their turn, you gain that much life.