Curse of Leeches // Leeching Lurker (#94)

[
  {
    "name": "Curse of Leeches",
    "type": "front",
    "rules": [
      "Enchant player",
      "As this permanent transforms into Curse of Leeches, attach it to a player.",
      "At the beginning of enchanted player's upkeep, they lose 1 life and you gain 1 life.",
      "Daybound (If a player casts no spells during their own turn, it becomes night next turn.)"
    ],
    "types": [
      "Enchantment"
    ],
    "colors": [
      "B"
    ],
    "subtypes": [
      "Aura",
      "Curse"
    ],
    "mana_cost": "{2}{B}",
    "mana_value": 3,
    "supertypes": [],
    "color_identity": [
      "B"
    ]
  },
  {
    "name": "Leeching Lurker",
    "type": "back",
    "power": "4",
    "rules": [
      "Lifelink",
      "Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)"
    ],
    "types": [
      "Creature"
    ],
    "colors": [
      "B"
    ],
    "subtypes": [
      "Leech",
      "Horror"
    ],
    "toughness": "4",
    "mana_value": 0,
    "supertypes": [],
    "flavor_text": "First darkness falls. Then it burrows in.",
    "color_identity": [
      "B"
    ],
    "color_indicator": [
      "B"
    ]
  }
]