Whenever one or more creatures you control deal combat damage to a player, create a Treasure token. ( It's an artifact with " , Sacrifice this artifact: Add one mana of any color")
At the beginning of your end step, if you control five or more artifacts, transform Storm the Vault.
Vault of Catlacan
( Transforms from Storm the Vault)
: Add one mana of any color.
: Add for each artifact you control.