| Rishkar, Peema Renegade (6 variants) | 708 |
| Rodolf Duskbringer (6 variants) | 482 |
| Roil Eruption (6 variants) | 592 |
| Ronom Unicorn (6 variants) | 247 |
| Run Ashore (6 variants) | 109 |
| Ruthless Knave (6 variants) | 483 |
| Ruthless Technomancer (6 variants) | 484 |
| Sai, Master Thopterist (6 variants) | 63 |
| Sanctum Seeker (6 variants) | 485 |
| Sandsteppe Outcast (6 variants) | 248 |
| Sandstorm Crasher (6 variants) | 18 |
| Sangromancer (6 variants) | 122 |
| Saproling Migration (6 variants) | 709 |
| Sarkhan, Fireblood (6 variants) | 593 |
| Sarkhan's Rage (6 variants) | 594 |
| Satyr Hoplite (6 variants) | 595 |
| Saurian Symbiote (6 variants) | 23 |
| Savage Stomp (6 variants) | 710 |
| Savannah Lions (6 variants) | 249 |
| Scavenged Blade (5 variants) | 596 |
| Scholar of Combustion (6 variants) | 19 |
| Scion of Darkness (6 variants) | 486 |
| Scion of Opulence (6 variants) | 597 |
| Scion of the Swarm (6 variants) | 487 |
| Scourge of the Undercity (6 variants) | 11 |
| Screaming Swarm (6 variants) | 351 |
| Scythecat Cub (6 variants) | 24 |
| Search Party Captain (6 variants) | 250 |
| Seat of the Synod (6 variants) | 773 |
| Secluded Steppe (6 variants) | 774 |
| Seize the Spoils (6 variants) | 141 |
| Serpent Assassin (6 variants) | 123 |
| Serpentine Ambush (6 variants) | 352 |
| Serra Angel (6 variants) | 251 |
| Serra's Embrace (6 variants) | 252 |
| Servant of the Scale (6 variants) | 711 |
| Severed Strands (6 variants) | 488 |
| Shambling Ghast (6 variants) | 124 |
| Shardless Outlander (6 variants) | 28 |
| Shield Mare (6 variants) | 253 |
| Shimmer Dragon (6 variants) | 353 |
| Shipwreck Dowser (6 variants) | 354 |
| Shock (6 variants) | 598 |
| Shore Keeper (6 variants) | 355 |
| Shorecomber Crab (6 variants) | 356 |
| Shoulder to Shoulder (6 variants) | 254 |
| Shroofus Sproutsire (6 variants) | 54 |
| Sigiled Starfish (6 variants) | 357 |
| Silent Departure (6 variants) | 358 |
| Skemfar Shadowsage (6 variants) | 489 |