Goldspan Dragon (Extended Art) [Kaldheim] Island Swamp return that card to the

return that card to the battlefield and attach Nim Deathmantle to it

If you win the bidding

and you may spend mana as though it were mana of any color to cast spells this way

Put a creature card with an even mana value from among the milled cards onto the battlefield under your control

As Glorious Dragon-Kin enters the battlefield

Goldspan Dragon (Extended Art) [Kaldheim] Island Swamp return that card to theSet: Kaldheim Type: Creature Dragon Rarity: Mythic Cost: {3}{R}{R} Flying, haste Whenever Goldspan Dragon attacks or becomes the target of a spell, create a Treasure token. Treasures you control have "{T}, Sacrifice this artifact: Add two mana of any one color."