Wedding Ring (Borderless) [The Lost Caverns of Ixalan Commander] Nightmare Horse return it to the battlefield

return it to the battlefield transformed under its owner's control

4 or 5 — Comet

you may attach to it any number of Auras on the battlefield and you may put onto the battlefield attached to it any number of Aura cards that could enchant it from your graveyard and/or hand

Enthusiasm can be tempered in the furnace of the earth

Wedding Ring (Borderless) [The Lost Caverns of Ixalan Commander] Nightmare Horse return it to the battlefieldSet: The Lost Caverns of Ixalan Commander Type: Artifact Rarity: Mythic Cost: {2}{W}{W} 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.