| Iago - Crown SeekerIllumineer's Quest: Palace Heist · 11 | Illumineer's Quest: Palace Heist | 11 | Special | $0.33 |
| Iago - Fake FlamingoShimmering Skies · 79 | Shimmering Skies | 79 | Rare | €0.09 |
| Iago - Giant Spectral ParrotArchazia's Island · 49 | Archazia's Island | 49 | Rare | €0.30 |
| Iago - Loud-Mouthed ParrotThe First Chapter · 80 | The First Chapter | 80 | Rare | €0.08 |
| Iago - Out of ReachThe Reign of Jafar · 195 | The Reign of Jafar | 195 | Rare | €0.08 |
| Iago - Out of ReachThe Reign of Jafar · 8 | The Reign of Jafar | 8 | Special | $45.64 |
| Iago - Pretty PollyInto the Inklands · 40 | Into the Inklands | 40 | Common | €0.03 |
| Iago - Raucous LookoutIllumineer's Quest: Palace Heist · 3 | Illumineer's Quest: Palace Heist | 3 | Special | $0.33 |
| Iago - Reappearing ParrotAzurite Sea · 45 | Azurite Sea | 45 | Common | €0.03 |
| Iago - Stompin' MadWhispers in the Well · 43 | Whispers in the Well | 43 | Uncommon | €0.02 |
| Ice BlockUrsula's Return · 168 | Ursula's Return | 168 | Common | €0.04 |
| Ice SpikesThe Reign of Jafar · 84 | The Reign of Jafar | 84 | Uncommon | €0.04 |
| Ichabod Crane - Bookish SchoolmasterWhispers in the Well · 148 | Whispers in the Well | 148 | Rare | €0.07 |
| Ichabod Crane - Scared Out of His MindWhispers in the Well · 152 | Whispers in the Well | 152 | Uncommon | $0.09 |
| Iduna - Alarmed QueenWinterspell · 113 | Winterspell | 113 | Common | €0.02 |
| Iduna - Caring MotherUrsula's Return · 147 | Ursula's Return | 147 | Uncommon | €0.02 |
| If I Didn't Have YouAttack of the Vine! · 32 | Attack of the Vine! | 32 | Common | €0.03 |
| If I Didn't Have YouAttack of the Vine! · 14 | Attack of the Vine! | 14 | Special | — |
| I Find 'Em, I Flatten 'EmUrsula's Return · 196 | Ursula's Return | 196 | Uncommon | €0.05 |
| I Find 'Em, I Flatten 'EmFabled · 199 | Fabled | 199 | Uncommon | €0.03 |
| If It's Not BaroqueThe First Chapter · 162 | The First Chapter | 162 | Rare | €0.10 |
| Illuminary Tunnels - Linked CavernsWhispers in the Well · 202 | Whispers in the Well | 202 | Super Rare | €0.20 |
| I'm Never Not by Your SideAttack of the Vine! · 33 | Attack of the Vine! | 33 | Uncommon | €0.06 |
| Imperial BowUrsula's Return · 201 | Ursula's Return | 201 | Uncommon | €0.03 |
| Imperial ProclamationUrsula's Return · 131 | Ursula's Return | 131 | Rare | €0.11 |
| ImproviseRise of the Floodborn · 99 | Rise of the Floodborn | 99 | Common | €0.03 |
| ImproviseFabled · 96 | Fabled | 96 | Common | €0.04 |
| I'm Still HereAzurite Sea · 196 | Azurite Sea | 196 | Common | €0.03 |
| I'm Stuck!Rise of the Floodborn · 63 | Rise of the Floodborn | 63 | Common | $0.05 |
| I'm Stuck!Fabled · 63 | Fabled | 63 | Common | €0.04 |
| Incrediboy - Buddy PineWilds Unknown · 177 | Wilds Unknown | 177 | Common | €0.03 |
| Incrediboy - Buddy PineWilds Unknown · 221 | Wilds Unknown | 221 | Epic | €1.75 |
| Infra-Pink Ultra Scan SpecsWinterspell · 201 | Winterspell | 201 | Common | €0.04 |
| Ingenious DeviceWhispers in the Well · 201 | Whispers in the Well | 201 | Rare | $0.10 |
| Ink AmplifierWhispers in the Well · 167 | Whispers in the Well | 167 | Rare | €0.10 |
| Ink GeyserArchazia's Island · 119 | Archazia's Island | 119 | Rare | €0.12 |
| Ink Moat - First Line of DefenseIllumineer's Quest: Palace Heist · 35 | Illumineer's Quest: Palace Heist | 35 | Special | $0.27 |
| InkrunnerWhispers in the Well · 169 | Whispers in the Well | 169 | Uncommon | €0.08 |
| Ink VortexIllumineer's Quest: The Great Hunny Rescue · 31 | Illumineer's Quest: The Great Hunny Rescue | 31 | Special | — |
| Inner StrengthWilds Unknown · 129 | Wilds Unknown | 129 | Common | $0.05 |
| Inscrutable MapWhispers in the Well · 99 | Whispers in the Well | 99 | Uncommon | €0.07 |
| Inspector Tezuka - Resolute OfficerWhispers in the Well · 177 | Whispers in the Well | 177 | Common | €0.05 |
| Institute of Technology - Prestigious UniversityAzurite Sea · 170 | Azurite Sea | 170 | Common | €0.02 |
| Into the UnknownThe Reign of Jafar · 81 | The Reign of Jafar | 81 | Super Rare | $0.57 |
| Into the UnknownThe Reign of Jafar · 213 | The Reign of Jafar | 213 | Enchanted | €127.30 |
| Invited to the BallShimmering Skies · 29 | Shimmering Skies | 29 | Uncommon | €0.05 |
| Invited to the BallShimmering Skies · 6 | Shimmering Skies | 6 | Special | €1,376.80 |
| Isabela Madrigal - Caring CultivatorWilds Unknown · 19 | Wilds Unknown | 19 | Rare | €0.14 |
| Isabela Madrigal - Caring CultivatorWilds Unknown · 224 | Wilds Unknown | 224 | Enchanted | €52.02 |
| Isabela Madrigal - Golden ChildUrsula's Return · 45 | Ursula's Return | 45 | Rare | $0.11 |