Kylem All-Star is a rare Creature — Human Warrior card from Unknown Event (UNK), collector number RW04b. Current market price: $43.00, TCGplayer market prices via Scryfall.
When Kylem All-Star enters the battlefield, create a token copy of All that Glitters and attach it to this creature. (It's an aura with "enchanted creature gets +1/+1 for each artifact and/or enchantment you control.) Enchantments you control are Gold artifacts in addition to their other types and have "Sacrifice this artifact: Add one mana of any color."