Wedding Ring

When this artifact 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 Lost Caverns of Ixalan Commander

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.

Doctor Who

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.

Copy

(This token can be used to represent a token that's a copy of a permanent.)