Elusive Tormentor // Insidious Mist (#60472)

[
  {
    "name": "Elusive Tormentor",
    "type": "front",
    "power": "4",
    "rules": [
      "{1}, Discard a card: Transform this creature."
    ],
    "types": [
      "Creature"
    ],
    "colors": [
      "B"
    ],
    "subtypes": [
      "Vampire",
      "Wizard"
    ],
    "mana_cost": "{2}{B}{B}",
    "toughness": "4",
    "mana_value": 4,
    "supertypes": [],
    "flavor_text": "Older vampires are usually more cautious than the newly-sired, calling upon ancient magic for which neonates lack patience.",
    "color_identity": [
      "B",
      "U"
    ]
  },
  {
    "name": "Insidious Mist",
    "type": "back",
    "power": "0",
    "rules": [
      "Hexproof, indestructible",
      "This creature can't block and can't be blocked.",
      "Whenever this creature attacks and isn't blocked, you may pay {2}{B}. If you do, transform it."
    ],
    "types": [
      "Creature"
    ],
    "colors": [
      "U"
    ],
    "subtypes": [
      "Elemental"
    ],
    "toughness": "1",
    "mana_value": 0,
    "supertypes": [],
    "color_identity": [
      "B",
      "U"
    ],
    "color_indicator": [
      "U"
    ]
  }
]