Gorou Matayoshi

Card Number
BT23-078
Rarity
U
Category
Tamer
Block Icon
05
Supplemental Rarity
Alternative Art #1
Colour
Red
Play Cost
3
Type
CS
Effect

Start of Your Main Phase If your opponent has a Digimon, gain 1 memory.

Your Turn When your Digimon are played or digivolve, if any of them have [Avian], [Bird], [Beast], [Animal] or [Sovereign], other than [Sea Animal], in any of their traits or the [CS] trait, by returning this Tamer to the hand, 1 of your Digimon gets +3000 DP for the turn. Then, 1 of your Digimon may attack.

Security Effect

Security Play this card without paying the cost.

Errata
Date
Correction

Gorou Matayoshi

Notes

Correction of official name.

Read as the errata when playing.

Q&A
Date
Question

Can I process the part of the effect after "then" in this card's [Your Turn] effect without meeting the "by" condition?

Answer

No, you can't.

If you don't return this card to the hand, the part after "then" in its [Your Turn] effect won't let your Digimon attack.

Releases
Genre
Booster Pack
Release Name
HACKERS' SLUMBER [BT-23]
Official Product Page
Date
Notes
BOOSTER HACKERS' SLUMBER [BT-23] Errata Card
Alternate Arts

en BT23-078 BOOSTER HACKERS' SLUMBER [BT-23] Errata Card

International Arts

ja BT23-078 HACKERS' SLUMBER [BT-23]

ja BT23-078 P1 HACKERS' SLUMBER [BT-23]

zh-Hans BT23-078 HACKER'S SLUMBER【BT-23】

zh-Hans BT23-078 P1 HACKER'S SLUMBER【BT-23】

GET /cards/en/BT23-078_P1

JSON:API

{
    "data": {
        "type": "card",
        "id": "\/cards\/en\/BT23-078_P1",
        "attributes": {
            "faqs": [{
                "date": "2025-10-03",
                "question": "Can I process the part of the effect after \"then\" in this card's [Your Turn] effect without meeting the \"by\" condition?",
                "answer": "No, you can't. \nIf you don't return this card to the hand, the part after \"then\" in its [Your Turn] effect won't let your Digimon attack."
            }],
            "language": "en",
            "notes": "BOOSTER HACKERS' SLUMBER [BT-23]\nErrata Card",
            "parallel-id": 1,
            "supplemental-rarity": {
                "stars": 1
            },
            "image": "https:\/\/images.heroi.cc\/cards\/en\/BT23-078_P1.webp",
            "play-cost": 3,
            "security-effect": "[Security] Play this card without paying the cost.",
            "effect": "[Start of Your Main Phase] If your opponent has a Digimon, gain 1 memory.\n[Your Turn] When your Digimon are played or digivolve, if any of them have [Avian], [Bird], [Beast], [Animal] or [Sovereign], other than [Sea Animal], in any of their traits or the [CS] trait, by returning this Tamer to the hand, 1 of your Digimon gets +3000 DP for the turn. Then, 1 of your Digimon may attack.",
            "rarity": "U",
            "errata": {
                "date": "2025-10-17",
                "error": "Goro Matayoshi",
                "correction": "Gorou Matayoshi",
                "notes": "Correction of official name.\nRead as the errata when playing."
            },
            "category": "tamer",
            "block-icon": 5,
            "color": ["red"],
            "number": "BT23-078",
            "name": "Gorou Matayoshi",
            "type": "CS"
        },
        "relationships": {
            "alternate-arts": {
                "data": [{
                    "type": "card",
                    "id": "\/cards\/en\/BT23-078"
                }]
            },
            "international-arts": {
                "data": [{
                    "type": "card",
                    "id": "\/cards\/ja\/BT23-078"
                }, {
                    "type": "card",
                    "id": "\/cards\/ja\/BT23-078_P1"
                }, {
                    "type": "card",
                    "id": "\/cards\/zh-Hans\/BT23-078"
                }, {
                    "type": "card",
                    "id": "\/cards\/zh-Hans\/BT23-078_P1"
                }]
            },
            "releases": {
                "data": [{
                    "type": "release",
                    "id": "\/releases\/en\/bt-23"
                }]
            }
        }
    },
    "included": [{
        "type": "card",
        "id": "\/cards\/en\/BT23-078",
        "links": {
            "self": "https:\/\/api.heroi.cc\/cards\/en\/BT23-078"
        },
        "meta": {
            "notes": "BOOSTER HACKERS' SLUMBER [BT-23]\nErrata Card"
        }
    }, {
        "type": "card",
        "id": "\/cards\/ja\/BT23-078",
        "links": {
            "self": "https:\/\/api.heroi.cc\/cards\/ja\/BT23-078"
        },
        "meta": {
            "notes": "HACKERS' SLUMBER [BT-23]"
        }
    }, {
        "type": "card",
        "id": "\/cards\/ja\/BT23-078_P1",
        "links": {
            "self": "https:\/\/api.heroi.cc\/cards\/ja\/BT23-078_P1"
        },
        "meta": {
            "notes": "HACKERS' SLUMBER [BT-23]"
        }
    }, {
        "type": "card",
        "id": "\/cards\/zh-Hans\/BT23-078",
        "links": {
            "self": "https:\/\/api.heroi.cc\/cards\/zh-Hans\/BT23-078"
        }
    }, {
        "type": "card",
        "id": "\/cards\/zh-Hans\/BT23-078_P1",
        "links": {
            "self": "https:\/\/api.heroi.cc\/cards\/zh-Hans\/BT23-078_P1"
        }
    }, {
        "type": "release",
        "id": "\/releases\/en\/bt-23",
        "links": {
            "self": "https:\/\/api.heroi.cc\/releases\/en\/bt-23"
        },
        "meta": {
            "name": "HACKERS' SLUMBER [BT-23]"
        }
    }],
    "links": {
        "self": "https:\/\/api.heroi.cc\/cards\/en\/BT23-078_P1"
    }
}

Refer to the API Documentation.

<heroicc-card>

HTML Web Component

<heroicc-card lang="en" data-card-id="BT23-078_P1">
    <link rel="stylesheet" href="https://assets.heroi.cc/css/components/heroicc-card.css?v=4a563a5" />
    <script type="module" src="https://assets.heroi.cc/js/heroicc-card.js?v=4a563a5"></script>
    <picture>
        <img width="430" height="600" loading="lazy" alt="BT23-078 Gorou Matayoshi · Alternate Art #1" src="https://images.heroi.cc/cards/en/BT23-078_P1.webp" />
    </picture>
    <span class="credit">
        <a href="https://heroi.cc/cards/en/BT23-078_P1">BT23-078 Gorou Matayoshi<span> · </span>
            <small>
                <em>Alternate Art #1</em>
            </small>
        </a>
        <span> on </span>
        <a href="https://heroi.cc">Heroicc</a>
    </span>
</heroicc-card>

Refer to the documentation for configuration options.

BT23-078 Gorou Matayoshi · Alternate Art #1BT23-078 Gorou Matayoshi · Alternate Art #1 on Heroicc