Merfolk // Treasure (#1)

[
  {
    "name": "Merfolk",
    "type": "front",
    "power": "1",
    "rules": [
      "Hexproof (This creature can't be the target of spells or abilities your opponents control.)"
    ],
    "types": [
      "Token",
      "Creature"
    ],
    "colors": [
      "U"
    ],
    "subtypes": [
      "Merfolk"
    ],
    "toughness": "1",
    "supertypes": [],
    "color_identity": [
      "U"
    ]
  },
  {
    "name": "Treasure",
    "type": "back",
    "rules": [
      "{T}, Sacrifice this artifact: Add one mana of any color."
    ],
    "types": [
      "Token",
      "Artifact"
    ],
    "colors": [],
    "subtypes": [
      "Treasure"
    ],
    "supertypes": [],
    "color_identity": [
      "U"
    ]
  }
]