| KangaskhanSWSH Black Star Promos · SWSH038 | SWSH Black Star Promos | SWSH038 | Promo | $11.58 |
| Kangaskhan exScarlet & Violet Black Star Promos · 055 | Scarlet & Violet Black Star Promos | 055 | Promo | €7.37 |
| Kangaskhan-GXSM Black Star Promos · SM188 | SM Black Star Promos | SM188 | Promo | $3.08 |
| KarenXY Black Star Promos · XY177 | XY Black Star Promos | XY177 | Promo | $10.91 |
| KarenXY Black Star Promos · XY177a | XY Black Star Promos | XY177a | Promo | $5.75 |
| KeldeoBW Black Star Promos · BW60 | BW Black Star Promos | BW60 | Promo | €5.92 |
| KeldeoXY Black Star Promos · XY118 | XY Black Star Promos | XY118 | Promo | €17.01 |
| KeldeoXY Black Star Promos · XY191 | XY Black Star Promos | XY191 | Promo | $4.63 |
| Keldeo-EXBW Black Star Promos · BW61 | BW Black Star Promos | BW61 | Promo | $3.19 |
| KilowattrelMcDonald's Collection 2023 · 008/015 | McDonald's Collection 2023 | 008/015 | Promo | €0.04 |
| KingambitScarlet & Violet Black Star Promos · 113 | Scarlet & Violet Black Star Promos | 113 | Promo | $0.59 |
| KingambitScarlet & Violet Black Star Promos · 130 | Scarlet & Violet Black Star Promos | 130 | Promo | €2.11 |
| KingdraXY Black Star Promos · XY39 | XY Black Star Promos | XY39 | Promo | €57.50 |
| Kingdra exScarlet & Violet Black Star Promos · 131 | Scarlet & Violet Black Star Promos | 131 | Promo | €48.65 |
| Kingdra-GXSM Black Star Promos · SM155 | SM Black Star Promos | SM155 | Promo | €10.51 |
| KirliaMcDonald's Collection 2023 · 015/015 | McDonald's Collection 2023 | 015/015 | Promo | €0.07 |
| KirliaSWSH Black Star Promos · SWSH271 | SWSH Black Star Promos | SWSH271 | Promo | $2.16 |
| KlaraSWSH Black Star Promos · SWSH302 | SWSH Black Star Promos | SWSH302 | Promo | €2.08 |
| KlawfMcDonald's Collection 2023 · 011/015 | McDonald's Collection 2023 | 011/015 | Promo | €0.36 |
| Kleavor VSWSH Black Star Promos · SWSH248 | SWSH Black Star Promos | SWSH248 | Promo | $0.95 |
| Kleavor VSTARSWSH Black Star Promos · SWSH249 | SWSH Black Star Promos | SWSH249 | Promo | $0.78 |
| KomalaSM Black Star Promos · SM41 | SM Black Star Promos | SM41 | Promo | €1.23 |
| Kommo-o-GXSM Black Star Promos · SM71 | SM Black Star Promos | SM71 | Promo | €2.65 |
| KoraidonScarlet & Violet Black Star Promos · 014 | Scarlet & Violet Black Star Promos | 014 | Promo | $4.70 |
| KoraidonScarlet & Violet Black Star Promos · 091 | Scarlet & Violet Black Star Promos | 091 | Promo | €5.36 |
| Koraidon exScarlet & Violet Black Star Promos · 029 | Scarlet & Violet Black Star Promos | 029 | Promo | $0.60 |
| Koraidon exScarlet & Violet Black Star Promos · 197 | Scarlet & Violet Black Star Promos | 197 | Promo | $0.46 |
| Krookodile-EXXY Black Star Promos · XY25 | XY Black Star Promos | XY25 | Promo | $10.64 |
| KyogreSM Black Star Promos · SM129 | SM Black Star Promos | SM129 | Promo | $37.57 |
| KyogreXY Black Star Promos · XY51 | XY Black Star Promos | XY51 | Promo | $25.54 |
| Kyogre exScarlet & Violet Black Star Promos · 178 | Scarlet & Violet Black Star Promos | 178 | Promo | $1.06 |
| Kyogre exNintendo Black Star Promos · 001 | Nintendo Black Star Promos | 001 | Promo | $49.31 |
| Kyogre exNintendo Black Star Promos · 037 | Nintendo Black Star Promos | 037 | Promo | €63.72 |
| Kyogre-EXXY Black Star Promos · XY41 | XY Black Star Promos | XY41 | Promo | $15.28 |
| KyuremBW Black Star Promos · BW44 | BW Black Star Promos | BW44 | Promo | €2.85 |
| KyuremSM Black Star Promos · SM142 | SM Black Star Promos | SM142 | Promo | $4.62 |
| Kyurem-EXBW Black Star Promos · BW37 | BW Black Star Promos | BW37 | Promo | €3.15 |
| Lance's Charizard VSWSH Black Star Promos · SWSH133 | SWSH Black Star Promos | SWSH133 | Promo | €2.75 |
| LandorusBW Black Star Promos · BW43 | BW Black Star Promos | BW43 | Promo | €22.30 |
| LandorusBW Black Star Promos · BW79 | BW Black Star Promos | BW79 | Promo | €8.58 |
| LaprasSWSH Black Star Promos · SWSH051 | SWSH Black Star Promos | SWSH051 | Promo | €3.71 |
| LaprasHGSS Black Star Promos · HGSS14 | HGSS Black Star Promos | HGSS14 | Promo | — |
| Lapras exScarlet & Violet Black Star Promos · 164 | Scarlet & Violet Black Star Promos | 164 | Promo | €4.77 |
| LatiasScarlet & Violet Black Star Promos · 139 | Scarlet & Violet Black Star Promos | 139 | Promo | €1.09 |
| LatiasSWSH Black Star Promos · SWSH171 | SWSH Black Star Promos | SWSH171 | Promo | $5.22 |
| LatiasHGSS Black Star Promos · HGSS10 | HGSS Black Star Promos | HGSS10 | Promo | — |
| LatiasSM Black Star Promos · SM87 | SM Black Star Promos | SM87 | Promo | €7.78 |
| LatiasSM Black Star Promos · SM135 | SM Black Star Promos | SM135 | Promo | €5.37 |
| LatiasXY Black Star Promos · XY78 | XY Black Star Promos | XY78 | Promo | €62.76 |
| LatiasNintendo Black Star Promos · 014 | Nintendo Black Star Promos | 014 | Promo | €25.00 |