From the official Japanese Twitter account, the first Level 5 Super Rare. Only 4 SRs remain unrevealed.
Birdramon
| Card Number | BT1-017 | Level | 4 | | Card Type | Digimon | Play Cost | 4 |
| Color | Red | Evolution Cost | 2 |
| Digimon Type | Giant Bird | DP | 4000 |
| Attribute | Vaccine | Rarity | Uncommon |
| Stage | Adult | Artist | TANIMESO |
| Main Effect | [When placed] During this turn, 1 of your Digimon gets <<Security Attack +1>>. (Increase the number of Security this Digimon checks by +1.) | | Source Effect | — |
Garudamon
| Card Number | BT1-022 | Level | 5 | | Card Type | Digimon | Play Cost | 7 |
| Color | Red | Evolution Cost | 3 |
| Digimon Type | Bird Man | DP | 7000 |
| Attribute | Vaccine | Rarity | Super Rare |
| Stage | Perfect | Artist | TANIMESO |
| Main Effect | <<Piercing>> (During the battle this Digimon attacked, and it destroys an opponent’s Digimon, it checks Security.) | | Source Effect | [During your turn] When this Digimon is blocked, <<1 Draw>>. (Draw 1 card from your deck.) |
Booster 1 launches in Japan May 15th, 2020.
