The Apostle of Doom Descends!

{
    "data": {
        "type": "card",
        "id": "\/cards\/en\/BT20-097",
        "attributes": {
            "language": "en",
            "notes": "Special Booster Ver.2.5 [BT19-20]",
            "use-cost": 3,
            "parallel-id": 0,
            "image": "https:\/\/images.heroi.cc\/cards\/en\/BT20-097.webp",
            "security-effect": "[Security] You may play 1 [Dorumon] from your hand or trash without paying the cost. Then, add this card to the hand.",
            "effect": "[Main] 1 of your Digimon may digivolve into a level 6 or lower Digimon card with [Dex] or [DeathX] in its name in the trash with the digivolution cost reduced by 4. Then, place this card in the battle area.\n[All Turns] When any of your [DexDorugoramon] would leave the battle area, \uff1cDelay\uff1e.\n\u30fbBy returning 1 [Dorumon] from those Digimon's digivolution cards to the hand, you may play 1 [DeathXmon] from your trash without paying the cost.",
            "rarity": "C",
            "category": "option",
            "block-icon": 4,
            "color": ["purple", "black"],
            "number": "BT20-097",
            "name": "The Apostle of Doom Descends!",
            "type": "X Antibody\/X Program"
        },
        "relationships": {
            "international-arts": {
                "data": [{
                    "type": "card",
                    "id": "\/cards\/ja\/BT20-097"
                }, {
                    "type": "card",
                    "id": "\/cards\/zh-Hans\/BT20-097"
                }]
            },
            "releases": {
                "data": [{
                    "type": "release",
                    "id": "\/releases\/en\/bt19-20-v2-5"
                }]
            }
        }
    },
    "included": [{
        "type": "card",
        "id": "\/cards\/ja\/BT20-097",
        "links": {
            "self": "https:\/\/api.heroi.cc\/cards\/ja\/BT20-097"
        },
        "meta": {
            "notes": "\u30d6\u30fc\u30b9\u30bf\uff0d\u30d1\u30c3\u30af OVER THE X [BT-20]"
        }
    }, {
        "type": "card",
        "id": "\/cards\/zh-Hans\/BT20-097",
        "links": {
            "self": "https:\/\/api.heroi.cc\/cards\/zh-Hans\/BT20-097"
        }
    }, {
        "type": "release",
        "id": "\/releases\/en\/bt19-20-v2-5",
        "links": {
            "self": "https:\/\/api.heroi.cc\/releases\/en\/bt19-20-v2-5"
        },
        "meta": {
            "name": "Ver.2.5 [BT19-20]"
        }
    }],
    "links": {
        "self": "https:\/\/api.heroi.cc\/cards\/en\/BT20-097"
    }
}