+Gold, +Pan (2)
When Gold Pan enters, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")
Equipped creature gets +1/+1.
Equip (: Attach to target creature you control. Equip only as a sorcery.)
Flying, haste
Whenever Goldspan Dragon attacks or becomes the target of a spell, create a Treasure token.
Treasures you control have ", Sacrifice this artifact: Add two mana of any one color."
Gatherer works better in the Companion app!