| Rockshard ElementalLegions · 109 | Legions | 109 | Rare | €0.14 |
| Rock SlideThe List Tokens · VIS-92 | The List Tokens | VIS-92 | Common | €0.06 |
| Rock SlideVisions · 92 | Visions | 92 | Common | €0.04 |
| Rockslide AmbushPortal Three Kingdoms · 121 | Portal Three Kingdoms | 121 | Uncommon | €11.40 |
| Rockslide AmbushMasters Edition IV · 134 | Masters Edition IV | 134 | Common | — |
| Rockslide ElementalShards of Alara · 112 | Shards of Alara | 112 | Uncommon | €0.19 |
| Rockslide ElementalPlanechase · 63 | Planechase | 63 | Uncommon | €0.07 |
| Rockslide SorcererZendikar Rising · 154 | Zendikar Rising | 154 | Uncommon | €0.11 |
| Rock SoldiersTeenage Mutant Ninja Turtles · 107 | Teenage Mutant Ninja Turtles | 107 | Common | €0.04 |
| Rock StarUnfinity · 122 | Unfinity | 122 | Common | €0.04 |
| Rock StarUnfinity · 408 | Unfinity | 408 | Common | $0.23 |
| Rocksteady, Crash CourserTeenage Mutant Ninja Turtles · 131 | Teenage Mutant Ninja Turtles | 131 | Common | €0.04 |
| Rocksteady, Mutant MarauderTeenage Mutant Ninja Turtles Eternal · 33 | Teenage Mutant Ninja Turtles Eternal | 33 | Rare | €0.16 |
| Rocksteady, Mutant MarauderTeenage Mutant Ninja Turtles Eternal · 94 | Teenage Mutant Ninja Turtles Eternal | 94 | Rare | €24.31 |
| Rocksteady, Rowdy RhinoTeenage Mutant Ninja Turtles Eternal Tokens · 11 | Teenage Mutant Ninja Turtles Eternal Tokens | 11 | — | €0.13 |
| Rocksteady, Rowdy Rhino // Rocksteady, Rowdy RhinoTeenage Mutant Ninja Turtles Art Series · 54 | Teenage Mutant Ninja Turtles Art Series | 54 | — | — |
| Rocky RebukeAvatar: The Last Airbender · 193 | Avatar: The Last Airbender | 193 | Common | €0.08 |
| Rocky RoadsAetherdrift · 261 | Aetherdrift | 261 | Uncommon | €0.13 |
| Rocky Tar PitCommander 2018 · 274 | Commander 2018 | 274 | Uncommon | €0.20 |
| Rocky Tar PitDuel Decks: Zendikar vs. Eldrazi Tokens · 69 | Duel Decks: Zendikar vs. Eldrazi Tokens | 69 | Uncommon | €0.23 |
| Rocky Tar PitCommander Masters · 1021 | Commander Masters | 1021 | Uncommon | €0.23 |
| Rocky Tar PitDominaria United Commander · 228 | Dominaria United Commander | 228 | Uncommon | €0.14 |
| Rocky Tar PitEdge of Eternities Commander · 173 | Edge of Eternities Commander | 173 | Uncommon | €0.18 |
| Rocky Tar PitMirage · 329 | Mirage | 329 | Uncommon | €0.57 |
| Rocky Tar PitVintage Masters · 309 | Vintage Masters | 309 | Uncommon | — |
| Roc of Kher RidgesUnlimited Edition · 171 | Unlimited Edition | 171 | Rare | €18.53 |
| Roc of Kher RidgesRevised Edition · 172 | Revised Edition | 172 | Rare | $1.39 |
| Roc of Kher Ridges30th Anniversary Edition · 166 | 30th Anniversary Edition | 166 | Rare | €27.52 |
| Roc of Kher Ridges30th Anniversary Edition · 463 | 30th Anniversary Edition | 463 | Rare | €125.00 |
| Roc of Kher RidgesCollectors' Edition · 171 | Collectors' Edition | 171 | Rare | €3.60 |
| Roc of Kher RidgesIntl. Collectors' Edition · 171 | Intl. Collectors' Edition | 171 | Rare | €3.01 |
| Roc of Kher RidgesForeign Black Border · 172 | Foreign Black Border | 172 | Rare | €6.21 |
| Roc of Kher RidgesLimited Edition Alpha · 170 | Limited Edition Alpha | 170 | Rare | €576.20 |
| Roc of Kher RidgesLimited Edition Beta · 171 | Limited Edition Beta | 171 | Rare | €138.05 |
| Roc of Kher RidgesSummer Magic / Edgar · 172 | Summer Magic / Edgar | 172 | Rare | — |
| Roc of Kher RidgesMasters Edition IV · 132 | Masters Edition IV | 132 | Uncommon | — |
| Rodeo PyromancersOutlaws of Thunder Junction · 143 | Outlaws of Thunder Junction | 143 | Common | €0.11 |
| Rod of AbsorptionForgotten Realms Commander · 19 | Forgotten Realms Commander | 19 | Rare | $0.44 |
| Rod of AbsorptionForgotten Realms Commander · 288 | Forgotten Realms Commander | 288 | Rare | $0.86 |
| Rod of RuinUnlimited Edition · 269 | Unlimited Edition | 269 | Uncommon | $1.71 |
| Rod of RuinRevised Edition · 273 | Revised Edition | 273 | Uncommon | €0.27 |
| Rod of Ruin30th Anniversary Edition · 265 | 30th Anniversary Edition | 265 | Uncommon | €0.02 |
| Rod of Ruin30th Anniversary Edition · 562 | 30th Anniversary Edition | 562 | Uncommon | $40.00 |
| Rod of RuinFourth Edition Foreign Black Border · 344 | Fourth Edition Foreign Black Border | 344 | Uncommon | €0.72 |
| Rod of RuinTenth Edition · 341 | Tenth Edition | 341 | Uncommon | €0.08 |
| Rod of RuinFourth Edition · 344 | Fourth Edition | 344 | Uncommon | $0.17 |
| Rod of RuinClassic Sixth Edition · 309 | Classic Sixth Edition | 309 | Uncommon | $0.09 |
| Rod of RuinFifth Edition · 396 | Fifth Edition | 396 | Uncommon | €0.12 |
| Rod of RuinSeventh Edition · 314 | Seventh Edition | 314 | Uncommon | $0.13 |
| Rod of RuinSeventh Edition · 314★ | Seventh Edition | 314★ | Uncommon | $0.13 |