| Recoup (18 variants) | 216 |
| Refresh (18 variants) | 264 |
| Repel (18 variants) | 98 |
| Repentant Vampire (18 variants) | 157 |
| Resilient Wanderer (18 variants) | 43 |
| Rites of Initiation (18 variants) | 217 |
| Rites of Refusal (18 variants) | 99 |
| Rites of Spring (18 variants) | 265 |
| Roar of the Wurm (18 variants) | 266 |
| Rotting Giant (18 variants) | 158 |
| Sacred Rites (18 variants) | 44 |
| Sadistic Hypnotist (18 variants) | 159 |
| Sandstone Deadfall (18 variants) | 307 |
| Sarcatog (18 variants) | 293 |
| Savage Firecat (18 variants) | 218 |
| Scorching Missile (18 variants) | 219 |
| Screams of the Damned (18 variants) | 160 |
| Scrivener (18 variants) | 100 |
| Seafloor Debris | 325† |
| Seafloor Debris (18 variants) | 325 |
| Second Thoughts (18 variants) | 45 |
| Seize the Day (18 variants) | 220 |
| Seton, Krosan Protector (18 variants) | 267 |
| Seton's Desire (18 variants) | 268 |
| Shadowblood Egg (18 variants) | 308 |
| Shadowblood Ridge (18 variants) | 326 |
| Shadowmage Infiltrator (18 variants) | 294 |
| Shelter (18 variants) | 46 |
| Shifty Doppelganger (18 variants) | 101 |
| Shower of Coals (18 variants) | 221 |
| Simplify (18 variants) | 269 |
| Skeletal Scrying (18 variants) | 161 |
| Skull Fracture (18 variants) | 162 |
| Skycloud Egg (18 variants) | 309 |
| Skycloud Expanse (18 variants) | 327 |
| Skyshooter (18 variants) | 270 |
| Soulcatcher (18 variants) | 47 |
| Spark Mage (18 variants) | 222 |
| Spellbane Centaur (18 variants) | 271 |
| Sphere of Duty (18 variants) | 48 |
| Sphere of Grace (18 variants) | 49 |
| Sphere of Law (18 variants) | 50 |
| Sphere of Reason (18 variants) | 51 |
| Sphere of Truth (18 variants) | 52 |
| Spiritualize (18 variants) | 53 |
| Springing Tiger (18 variants) | 272 |
| Squirrel Mob (18 variants) | 273 |
| Squirrel Nest (18 variants) | 274 |
| Stalking Bloodsucker (18 variants) | 163 |
| Standstill (18 variants) | 102 |