When Wedding Ring enters, 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.
The trigger conditions of Wedding Ring's second and third abilities care about opponents who control any artifact named Wedding Ring, not just the token copy created by its first ability.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.