Storm the Vault // Vault of Catlacan (#173)

[
  {
    "name": "Storm the Vault",
    "type": "front",
    "rules": [
      "Whenever one or more creatures you control deal combat damage to a player, create a Treasure token. (It's an artifact with \"{T}, Sacrifice this token: Add one mana of any color.\")",
      "At the beginning of your end step, if you control five or more artifacts, transform Storm the Vault."
    ],
    "types": [
      "Enchantment"
    ],
    "colors": [
      "R",
      "U"
    ],
    "subtypes": [],
    "mana_cost": "{2}{U}{R}",
    "mana_value": 4,
    "supertypes": [
      "Legendary"
    ],
    "color_identity": [
      "R",
      "U"
    ]
  },
  {
    "name": "Vault of Catlacan",
    "type": "back",
    "rules": [
      "(Transforms from Storm the Vault.)",
      "{T}: Add one mana of any color.",
      "{T}: Add {U} for each artifact you control."
    ],
    "types": [
      "Land"
    ],
    "colors": [],
    "subtypes": [],
    "mana_value": 0,
    "supertypes": [
      "Legendary"
    ],
    "flavor_text": "Swimming in coins proved harder than they'd hoped, but dancing was a jingling delight.",
    "color_identity": [
      "R",
      "U"
    ]
  }
]