| Silvanus's Invoker (22 variants) | 254 |
| Sivriss, Nightmare Speaker (22 variants) | 148 |
| Sivriss, Nightmare Speaker | 500 |
| Sivriss, Nightmare Speaker (22 variants) | 393 |
| Skanos Dragonheart (22 variants) | 255 |
| Skanos Dragonheart | 521 |
| Skanos Dragonheart (22 variants) | 410 |
| Skullclamp (10 variants) | 870 |
| Skullport Merchant (22 variants) | 149 |
| Skullwinder (22 variants) | 256 |
| Sky Diamond (22 variants) | 337 |
| Sky Diamond (22 variants) | 449 |
| Slaughter the Strong (22 variants) | 43 |
| Sludge Monster (10 variants) | 735 |
| Sly Instigator (10 variants) | 736 |
| Snowfield Sinkhole (10 variants) | 915 |
| Sol Ring (10 variants) | 871 |
| Solemn Doomguide (4 variants) | 625 |
| Solemn Doomguide (10 variants) | 672 |
| Solemn Recruit (10 variants) | 708 |
| Solemn Simulacrum (10 variants) | 872 |
| Spectacular Showdown (4 variants) | 634 |
| Spectacular Showdown (10 variants) | 679 |
| Spellskite (10 variants) | 873 |
| Spinerock Knoll (10 variants) | 916 |
| Spire Garden (8 variants) | 606 |
| Spire Garden (22 variants) | 361 |
| Split the Spoils (22 variants) | 257 |
| Sprite Dragon (10 variants) | 852 |
| Squad Commander (10 variants) | 709 |
| Starlit Sanctum (10 variants) | 917 |
| Steadfast Unicorn (22 variants) | 44 |
| Steel Hellkite (10 variants) | 874 |
| Stick Together (10 variants) | 661 |
| Stick Together (7 variants) | 611 |
| Stirge (22 variants) | 150 |
| Stirring Bard (22 variants) | 195 |
| Stolen Strategy (10 variants) | 807 |
| Stoneskin (22 variants) | 45 |
| Stonespeaker Crystal (22 variants) | 338 |
| Stonespeaker Crystal (22 variants) | 450 |
| Storm King's Thunder (8 variants) | 583 |
| Storm King's Thunder (22 variants) | 196 |
| Street Urchin (22 variants) | 197 |
| Street Urchin | 510 |
| Stuffy Doll (10 variants) | 875 |
| Stunning Strike (22 variants) | 97 |
| Summon Undead (22 variants) | 151 |
| Sunken Hollow (10 variants) | 918 |
| Swamp (22 variants) | 459 |