| 4+ | Riddle of Lightning | MTGFutureSight_105 |
| 4+ | Riddle of Lightning | MTGJourneyNyx_107 |
| 3 | Riddle of Lightning | MTGTSR_183 |
| 4+ | Riddle of Lightning FOIL | MTGFutureSight_105F |
| 3 | Riddleform | MTGHour of Devastation_043 |
| 4+ | Riddleform | MTGCore Set 2021_064 |
| 1 | Riddlemaster Sphinx (Planeswalker Deck) | MTGCore Set 2019_287 |
| 2 | Riddlemaster Sphinx (Spellslinger Starter Kit) | MTGCore Set 2020_317 |
| 4+ | Riddlesmith | MTGScarsofMirrodin_040 |
| 3 | Riddlesmith | MTGDoubleMasters_065 |
| 1 | Riddlesmith | MTGNEC_096 |
| 4+ | Ride Down | MTGKhansofTarkir_194 |
| 1 | Ride Down | MTGEldritch Moon_188 |
| 4+ | Ride the Avalanche | MTGAFC_054 |
| 4+ | Riders of Gavony | MTGAvacynRestored_033 |
| 4+ | Riders of Gavony | MTGCommander2020_098 |
| 4+ | Riders of Gavony | MTGMIC_093 |
| 4+ | Ridge Rannet | MTGShardsofAlara_111 |
| 4+ | Ridged Kusite | MTGPlanarChaos_078 |
| 1 | Ridged Kusite | MTGTSR_134 |
| 4+ | Ridged Kusite Foil | MTGPlanarChaos_078F |
| 1 | Ridgeline Rager | MTG8ED_215 |
| 4+ | Ridgeline Rager | MTGProphecy_100 |
| 2 | Ridgeline Rager Foil | MTGProphecy_100F |
| 4+ | Ridgetop Raptor | MTGLegions_108 |
| 1 | Ridgetop Raptor (Foil) | MTGDMR_134F |
| 2 | Ridgetop Raptor Foil | MTGLegions_108F |
| 4+ | Rift Bolt | MTGTimespiral_176 |
| 4+ | Rift Bolt | MTGModernMasters_126 |
| 4+ | Rift Elemental | MTGFutureSight_106 |
|
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