Screeching Bat // Stalking Vampire (#114)

[
  {
    "name": "Screeching Bat",
    "type": "front",
    "power": "2",
    "rules": [
      "Flying",
      "At the beginning of your upkeep, you may pay {2}{B}{B}. If you do, transform this creature."
    ],
    "types": [
      "Creature"
    ],
    "colors": [
      "B"
    ],
    "subtypes": [
      "Bat"
    ],
    "mana_cost": "{2}{B}",
    "toughness": "2",
    "mana_value": 3,
    "supertypes": [],
    "flavor_text": "The bat has such clarity of hearing that simple sounds become symphonies.",
    "color_identity": [
      "B"
    ]
  },
  {
    "name": "Stalking Vampire",
    "type": "back",
    "power": "5",
    "rules": [
      "At the beginning of your upkeep, you may pay {2}{B}{B}. If you do, transform this creature."
    ],
    "types": [
      "Creature"
    ],
    "colors": [
      "B"
    ],
    "subtypes": [
      "Vampire"
    ],
    "toughness": "5",
    "mana_value": 0,
    "supertypes": [],
    "flavor_text": "Each form she takes is an exploration of the senses.",
    "color_identity": [
      "B"
    ],
    "color_indicator": [
      "B"
    ]
  }
]