Storm the Vault

Whenever one or more creatures you control deal combat damage to a player, create a colorless Treasure artifact token with "T, Sacrifice this artifact: Add one mana of any color to your mana pool." 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.) T: Add one mana of any color to your mana pool. T: Add U to your mana pool for each artifact you control.

Swimming in coins proved harder than they'd hoped, but dancing was a jingling delight.