| Rampant Growth (6 variants) | 265 |
| Rampart Architect (4 variants) | 87 |
| Rampart Architect (6 variants) | 47 |
| Rapacious Dragon (6 variants) | 229 |
| Rapid Hybridization (6 variants) | 162 |
| Reality Shift (6 variants) | 163 |
| Reassembling Skeleton (6 variants) | 195 |
| Redoubled Stormsinger (6 variants) | 37 |
| Redoubled Stormsinger (4 variants) | 77 |
| Reflections of Littjara (6 variants) | 164 |
| Release the Dogs (6 variants) | 127 |
| Reliquary Tower (6 variants) | 386 |
| Reunion of the House (6 variants) | 15 |
| Reunion of the House (4 variants) | 55 |
| Rhox Faithmender (6 variants) | 128 |
| Rite of Replication (6 variants) | 165 |
| River Kelpie (6 variants) | 166 |
| Rockfall Vale (6 variants) | 387 |
| Rootbound Crag (6 variants) | 388 |
| Rugged Prairie (6 variants) | 389 |
| Sakura-Tribe Elder (6 variants) | 266 |
| Sarkhan, Soul Aflame (6 variants) | 301 |
| Satyr Wayfinder (6 variants) | 267 |
| Scourge of the Throne (6 variants) | 230 |
| Seedborn Muse (6 variants) | 268 |
| Selesnya Signet (6 variants) | 324 |
| Selfless Spirit (6 variants) | 129 |
| Selvala's Stampede (6 variants) | 269 |
| Shadow Summoning (6 variants) | 101 |
| Shadrix Silverquill (6 variants) | 302 |
| Shalai, Voice of Plenty (6 variants) | 130 |
| Shattered Landscape (6 variants) | 390 |
| Shattered Sanctum (6 variants) | 391 |
| Sheltered Thicket (6 variants) | 392 |
| Shigeki, Jukai Visionary (6 variants) | 270 |
| Shiko and Narset, Unified (12 variants) | 7 |
| Shiny Impetus (6 variants) | 231 |
| Shivan Reef (6 variants) | 393 |
| Sidar Kondo of Jamuraa (6 variants) | 303 |
| Siege-Gang Commander (6 variants) | 232 |
| Skarrgan Hellkite (5 variants) | 233 |
| Skull Prophet (6 variants) | 304 |
| Skullclamp (6 variants) | 103 |
| Skycloud Expanse (6 variants) | 394 |
| Slaughter the Strong (6 variants) | 131 |
| Smoldering Marsh (6 variants) | 395 |
| Sol Ring | 106 |
| Solemn Simulacrum (6 variants) | 325 |
| Spit Flame (6 variants) | 234 |
| Springbloom Druid (6 variants) | 271 |