| Runo Stromkirk // Krothuss, Lord of the Deep (18 variants) | 246 |
| Runo Stromkirk // Krothuss, Lord of the Deep (2 variants) | 327 |
| Rural Recruit (22 variants) | 216 |
| Sanctify (22 variants) | 33 |
| Sanguine Statuette (22 variants) | 177 |
| Savior of Ollenbock (22 variants) | 330 |
| Savior of Ollenbock (22 variants) | 34 |
| Savior of Ollenbock (8 variants) | 352 |
| Sawblade Slinger (22 variants) | 217 |
| Scattered Thoughts (22 variants) | 74 |
| Screaming Swarm (22 variants) | 75 |
| Selhoff Entomber (22 variants) | 76 |
| Serpentine Ambush (22 variants) | 77 |
| Shattered Sanctum (22 variants) | 283 |
| Shattered Sanctum (22 variants) | 264 |
| Sheltering Boughs (22 variants) | 218 |
| Sigarda's Imprisonment (22 variants) | 35 |
| Sigarda's Summons (5 variants) | 404 |
| Sigarda's Summons (8 variants) | 353 |
| Sigarda's Summons (22 variants) | 36 |
| Sigardian Paladin (22 variants) | 247 |
| Skulking Killer (22 variants) | 130 |
| Skulking Killer (22 variants) | 296 |
| Skull Skaab (22 variants) | 248 |
| Skywarp Skaab (22 variants) | 78 |
| Snarling Wolf (22 variants) | 219 |
| Sorin the Mirthless (22 variants) | 297 |
| Sorin the Mirthless (22 variants) | 337 |
| Sorin the Mirthless (22 variants) | 278 |
| Sorin the Mirthless (22 variants) | 131 |
| Soulcipher Board // Cipherbound Spirit (18 variants) | 79 |
| Spiked Ripsaw (22 variants) | 220 |
| Splendid Reclamation (8 variants) | 393 |
| Splendid Reclamation (22 variants) | 221 |
| Spore Crawler (22 variants) | 222 |
| Sporeback Wolf (22 variants) | 223 |
| Steelclad Spirit (22 variants) | 80 |
| Stensia Uprising (8 variants) | 381 |
| Stensia Uprising (22 variants) | 178 |
| Stitched Assistant (22 variants) | 81 |
| Stormcarved Coast (22 variants) | 265 |
| Stormcarved Coast (22 variants) | 284 |
| Stormchaser Drake (22 variants) | 82 |
| Sundown Pass (22 variants) | 285 |
| Sundown Pass (22 variants) | 266 |
| Supernatural Rescue (22 variants) | 37 |
| Sure Strike (22 variants) | 179 |
| Swamp (22 variants) | 400 |
| Swamp (22 variants) | 272 |
| Swamp | 410 |