| Ice Rider Calyrex VMAXChilling Reign · 202/198 | Chilling Reign | 202/198 | Rare Rainbow | $10.54 |
| Ice Rider Calyrex VMAXChilling Reign · 203/198 | Chilling Reign | 203/198 | Rare Rainbow | €29.38 |
| IgglybuffSecluded Springs · 59 | Secluded Springs | 59 | 3 Diamond | — |
| IgglybuffHeartGold & SoulSilver · 44/123 | HeartGold & SoulSilver | 44/123 | Uncommon | €1.89 |
| IgglybuffCosmic Eclipse · 168/236 | Cosmic Eclipse | 168/236 | Uncommon | €1.80 |
| IgglybuffWizards Black Star Promos · 36 | Wizards Black Star Promos | 36 | Promo | €15.20 |
| IgglybuffGreat Encounters · 70/106 | Great Encounters | 70/106 | Common | €0.77 |
| IgglybuffSkyridge · 67/144 | Skyridge | 67/144 | Common | €13.31 |
| IgglybuffCrystal Guardians · 21/100 | Crystal Guardians | 21/100 | Rare | $7.26 |
| IgglybuffHidden Legends · 37/101 | Hidden Legends | 37/101 | Uncommon | €3.91 |
| IgglybuffNeo Discovery · 40/75 | Neo Discovery | 40/75 | Uncommon | €2.85 |
| Igglybuff30th Celebration · 120/128 | 30th Celebration | 120/128 | Common | €0.25 |
| Ignition EnergyPhantasmal Flames · 124/094 | Phantasmal Flames | 124/094 | Ultra Rare | €1.26 |
| Ignition EnergyWhite Flare · 086/086 | White Flare | 086/086 | Uncommon | $0.27 |
| IlimaCelestial Guardians · 149 | Celestial Guardians | 149 | 2 Diamond | — |
| IlimaCelestial Guardians · 191 | Celestial Guardians | 191 | 2 Star | — |
| IlimaSun & Moon · 121/149 | Sun & Moon | 121/149 | Uncommon | €0.13 |
| IlimaSun & Moon · 146/149 | Sun & Moon | 146/149 | Rare Ultra | $2.52 |
| IllumiseMega Shine · 4 | Mega Shine | 4 | 1 Diamond | — |
| IllumiseTwilight Masquerade · 010/167 | Twilight Masquerade | 010/167 | Common | €0.06 |
| IllumiseHS—Triumphant · 64/102 | HS—Triumphant | 64/102 | Common | €0.22 |
| IllumiseCelestial Storm · 18/168 | Celestial Storm | 18/168 | Uncommon | €0.27 |
| IllumiseXY · 9/146 | XY | 9/146 | Uncommon | €0.27 |
| IllumisePrimal Clash · 18/160 | Primal Clash | 18/160 | Common | €0.44 |
| IllumiseGreat Encounters · 71/106 | Great Encounters | 71/106 | Common | €0.19 |
| IllumiseDelta Species · 45/113 | Delta Species | 45/113 | Uncommon | $1.55 |
| IllumiseSandstorm · 38/100 | Sandstorm | 38/100 | Uncommon | €1.19 |
| IllumiseEmerald · 32/106 | Emerald | 32/106 | Uncommon | €1.21 |
| Illumise30th Celebration · 004/128 | 30th Celebration | 004/128 | Common | €0.10 |
| Imakuni?Generations · 63/83 | Generations | 63/83 | Uncommon | €2.25 |
| Imakuni?'s DoduoEvolutions · 112/108 | Evolutions | 112/108 | Rare Secret | €4.31 |
| Impact EnergyChilling Reign · 157/198 | Chilling Reign | 157/198 | Uncommon | €0.04 |
| ImpidimpMega Rising · 163 | Mega Rising | 163 | 1 Diamond | — |
| ImpidimpStellar Crown · 094/142 | Stellar Crown | 094/142 | Common | €0.04 |
| ImpidimpJourney Together · 071/159 | Journey Together | 071/159 | Common | €0.02 |
| ImpidimpRebel Clash · 123/192 | Rebel Clash | 123/192 | Common | €0.05 |
| ImpidimpShining Fates Shiny Vault · SV083/SV122 | Shining Fates Shiny Vault | SV083/SV122 | Rare Shiny | €2.58 |
| ImpidimpFusion Strike · 176/264 | Fusion Strike | 176/264 | Common | €0.06 |
| ImpidimpBrilliant Stars · 092/172 | Brilliant Stars | 092/172 | Common | €0.03 |
| Imposter Oak's RevengeTeam Rocket · 76/82 | Team Rocket | 76/82 | Uncommon | $3.04 |
| Imposter Professor OakCelebrations: Classic Collection · 73 | Celebrations: Classic Collection | 73 | Classic Collection | — |
| Imposter Professor OakBase Set 2 · 102/130 | Base Set 2 | 102/130 | Rare | €2.39 |
| Impostor Professor OakBase · 73/102 | Base | 73/102 | Rare | $6.48 |
| Impostor Professor Oak's InventionNeo Destiny · 94/105 | Neo Destiny | 94/105 | Rare | €5.26 |
| IncineroarEevee Grove · 13 | Eevee Grove | 13 | 2 Diamond | — |
| IncineroarSilver Tempest · 032/195 | Silver Tempest | 032/195 | Rare | €0.17 |
| IncineroarSun & Moon · 26/149 | Sun & Moon | 26/149 | Rare | $0.30 |
| IncineroarUnbroken Bonds · 29/214 | Unbroken Bonds | 29/214 | Rare | €0.22 |
| IncineroarShining Legends · 17/73 | Shining Legends | 17/73 | Uncommon | €0.23 |
| Incineroar exCelestial Guardians · 33 | Celestial Guardians | 33 | 4 Diamond | — |