The Strongest of Brothers

{
    "data": {
        "type": "card",
        "id": "\/cards\/en\/BT21-090",
        "attributes": {
            "faqs": [{
                "date": "2025-06-25",
                "question": "What does \"while you have (the specified card) on the field\" mean, exactly?",
                "answer": "It refers to when you have the specified card in the battle area or breeding area."
            }],
            "language": "en",
            "notes": "BOOSTER WORLD CONVERGENCE [BT-21]",
            "use-cost": 3,
            "parallel-id": 0,
            "image": "https:\/\/images.heroi.cc\/cards\/en\/BT21-090.webp",
            "security-effect": "[Security] You may play 1 card with [Gammamon] in its text and a play cost of 4 or less from your hand or trash without paying the cost. Then, place this card in the battle area.",
            "effect": "While you have a Digimon or Tamer with [Gammamon] in its text on the field, you can ignore this card's color requirements.\n[Main] Reveal the top 3 cards of your deck. Add 1 card with [Gammamon] in its text among them to the hand. Return the rest to the bottom of the deck. Then, place this card in the battle area.\n[All Turns] When effects place digivolution cards under your Digimon, \uff1cDelay\uff1e.\n \u30fb1 of your Digimon may digivolve into a Digimon card with [Gammamon] in its text in the hand without paying the cost.",
            "rarity": "C",
            "category": "option",
            "block-icon": 5,
            "color": ["red"],
            "number": "BT21-090",
            "name": "The Strongest of Brothers"
        },
        "relationships": {
            "international-arts": {
                "data": [{
                    "type": "card",
                    "id": "\/cards\/ja\/BT21-090"
                }, {
                    "type": "card",
                    "id": "\/cards\/zh-Hans\/BT21-090"
                }]
            },
            "releases": {
                "data": [{
                    "type": "release",
                    "id": "\/releases\/en\/bt-21"
                }]
            }
        }
    },
    "included": [{
        "type": "card",
        "id": "\/cards\/ja\/BT21-090",
        "links": {
            "self": "https:\/\/api.heroi.cc\/cards\/ja\/BT21-090"
        },
        "meta": {
            "notes": "\u30d6\u30fc\u30b9\u30bf\uff0d\u30d1\u30c3\u30af WORLD CONVERGENCE [BT-21]"
        }
    }, {
        "type": "card",
        "id": "\/cards\/zh-Hans\/BT21-090",
        "links": {
            "self": "https:\/\/api.heroi.cc\/cards\/zh-Hans\/BT21-090"
        }
    }, {
        "type": "release",
        "id": "\/releases\/en\/bt-21",
        "links": {
            "self": "https:\/\/api.heroi.cc\/releases\/en\/bt-21"
        },
        "meta": {
            "name": "WORLD CONVERGENCE [BT-21]"
        }
    }],
    "links": {
        "self": "https:\/\/api.heroi.cc\/cards\/en\/BT21-090"
    }
}