Mosswort Bridge [Secret Lair Drop Series] Psychic[×2] exile up to one target

exile up to one target creature and put three time counters on it

Enchantments you control are Gold artifacts in addition to their other types and have "Sacrifice this artifact: Add one mana of any color

but how could that be

it gains "Whenever this creature deals combat damage to a player

Mosswort Bridge [Secret Lair Drop Series] Psychic[×2] exile up to one targetSet: Secret Lair Drop Series Type: Land Rarity: Rare Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) Mosswort Bridge enters the battlefield tapped. {T}: Add {G}. {G}, {T}: You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.