| Rot-Tide GargantuaInnistrad: Double Feature · 396 | Innistrad: Double Feature | 396 | Common | €0.13 |
| Rot-Tide GargantuaInnistrad: Crimson Vow · 129 | Innistrad: Crimson Vow | 129 | Common | €0.06 |
| Rotting FensnakeInnistrad · 113 | Innistrad | 113 | Common | $0.08 |
| Rotting LegionMagic 2011 · 115 | Magic 2011 | 115 | Common | €0.05 |
| Rotting MastodonKhans of Tarkir · 87 | Khans of Tarkir | 87 | Common | $0.05 |
| Rotting RatsConflux · 51 | Conflux | 51 | Common | $0.75 |
| Rotting RatsPlanechase · 39 | Planechase | 39 | Common | €1.47 |
| Rot WolfMirrodin Besieged · 90 | Mirrodin Besieged | 90 | Common | €0.20 |
| Rot WolfDuel Decks: Mirrodin Pure vs. New Phyrexia · 54 | Duel Decks: Mirrodin Pure vs. New Phyrexia | 54 | Common | — |
| Rough Rhino CavalryAvatar: The Last Airbender · 152 | Avatar: The Last Airbender | 152 | Common | €0.05 |
| Roughshod DuoBloomburrow · 150 | Bloomburrow | 150 | Common | €0.05 |
| RouseMercadian Masques · 157 | Mercadian Masques | 157 | Common | $0.11 |
| Rouse the MobJourney into Nyx · 109 | Journey into Nyx | 109 | Common | €0.09 |
| Rousing of SoulsConspiracy · 19 | Conspiracy | 19 | Common | €0.15 |
| Rousing ReadCore Set 2021 · 67 | Core Set 2021 | 67 | Common | €0.07 |
| Roving HarperCommander Legends: Battle for Baldur's Gate · 40 | Commander Legends: Battle for Baldur's Gate | 40 | Common | €0.14 |
| Roving KeepThrone of Eldraine · 228 | Throne of Eldraine | 228 | Common | €0.06 |
| Roving KeepJumpstart · 480 | Jumpstart | 480 | Common | €0.10 |
| Rowan's Grim SearchWilds of Eldraine · 104 | Wilds of Eldraine | 104 | Common | €0.20 |
| Rowan TreefolkPortal · 184 | Portal | 184 | Common | $0.12 |
| Rowdy SnowballersAvatar: The Last Airbender · 68 | Avatar: The Last Airbender | 68 | Common | €0.05 |
| Roxxon BrutesMarvel Super Heroes · 113 | Marvel Super Heroes | 113 | Common | €0.04 |
| Royal BoosterBlack Lotus Unknown Planechase · PLA020 | Black Lotus Unknown Planechase | PLA020 | Common | — |
| Royal FalconStarter 2000 · 8 | Starter 2000 | 8 | Common | €0.11 |
| Royal FalconStarter 1999 · 24 | Starter 1999 | 24 | Common | $0.09 |
| Royal HerbalistAlliances · 15a | Alliances | 15a | Common | $0.08 |
| Royal HerbalistAlliances · 15b | Alliances | 15b | Common | $0.07 |
| Royal TrooperBattlebond · 104 | Battlebond | 104 | Common | €0.02 |
| Royal TrooperThe List Tokens · BBD-104 | The List Tokens | BBD-104 | Common | $0.10 |
| Royal TrooperMasters Edition II · 32 | Masters Edition II | 32 | Common | — |
| Rubbleback RhinoReturn to Ravnica · 132 | Return to Ravnica | 132 | Common | €0.05 |
| Rubblebelt BoarGuilds of Ravnica · 114 | Guilds of Ravnica | 114 | Common | €0.07 |
| Rubblebelt BraggartMurders at Karlov Manor · 143 | Murders at Karlov Manor | 143 | Common | €0.02 |
| Rubblebelt MaakaDragon's Maze · 38 | Dragon's Maze | 38 | Common | €0.05 |
| Rubblebelt MaakaModern Masters 2017 · 109 | Modern Masters 2017 | 109 | Common | $0.11 |
| Rubblebelt MaakaRavnica Remastered · 121 | Ravnica Remastered | 121 | Common | $0.03 |
| Rubblebelt MaakaThe List Tokens · MM3-109 | The List Tokens | MM3-109 | Common | €0.10 |
| Rubblebelt MaverickMurders at Karlov Manor · 174 | Murders at Karlov Manor | 174 | Common | €0.14 |
| Rubblebelt RecluseCore Set 2020 · 334 | Core Set 2020 | 334 | Common | €0.25 |
| Rubblebelt RecluseRavnica Allegiance · 111 | Ravnica Allegiance | 111 | Common | €0.06 |
| Rubblebelt RunnerRavnica Allegiance · 202 | Ravnica Allegiance | 202 | Common | €0.03 |
| Rubble ReadingRavnica Allegiance · 110 | Ravnica Allegiance | 110 | Common | €0.02 |
| Rubble RouserSecrets of Strixhaven · 128 | Secrets of Strixhaven | 128 | Common | €0.11 |
| Rubble SlingerRavnica Allegiance · 217 | Ravnica Allegiance | 217 | Common | €0.03 |
| Rugged HighlandsWarhammer 40,000 Commander · 292 | Warhammer 40,000 Commander | 292 | Common | €0.21 |
| Rugged HighlandsWarhammer 40,000 Commander · 292★ | Warhammer 40,000 Commander | 292★ | Common | $0.70 |
| Rugged HighlandsCommander 2016 · 318 | Commander 2016 | 318 | Common | $0.10 |
| Rugged HighlandsCommander 2019 · 271 | Commander 2019 | 271 | Common | €0.16 |
| Rugged HighlandsDuel Decks: Mind vs. Might · 59 | Duel Decks: Mind vs. Might | 59 | Common | €0.08 |
| Rugged HighlandsAetherdrift · 262 | Aetherdrift | 262 | Common | €0.04 |