Emet-Selch, Unsundered // Hades, Sorcerer of Eld (#539)

[
  {
    "name": "Emet-Selch, Unsundered",
    "type": "front",
    "power": "2",
    "rules": [
      "Vigilance",
      "Whenever Emet-Selch enters or attacks, draw a card, then discard a card.",
      "At the beginning of your upkeep, if there are fourteen or more cards in your graveyard, you may transform Emet-Selch."
    ],
    "types": [
      "Creature"
    ],
    "colors": [
      "B",
      "U"
    ],
    "subtypes": [
      "Elder",
      "Wizard"
    ],
    "mana_cost": "{1}{U}{B}",
    "toughness": "4",
    "mana_value": 3,
    "supertypes": [
      "Legendary"
    ],
    "color_identity": [
      "B",
      "U"
    ]
  },
  {
    "name": "Hades, Sorcerer of Eld",
    "type": "back",
    "power": "6",
    "rules": [
      "Vigilance",
      "Echo of the Lost — During your turn, you may play cards from your graveyard.",
      "If a card or token would be put into your graveyard from anywhere, exile it instead."
    ],
    "types": [
      "Creature"
    ],
    "colors": [
      "B",
      "U"
    ],
    "subtypes": [
      "Avatar"
    ],
    "toughness": "6",
    "mana_value": 0,
    "supertypes": [
      "Legendary"
    ],
    "color_identity": [
      "B",
      "U"
    ],
    "color_indicator": [
      "B",
      "U"
    ]
  }
]