- Stardust Xiaolong
- Stargazer Magician
- Statue of the Wicked
- Staunch Defender
- Stay Force
- Stealthroid
- Steam Gyroid
- Steamroid
- Steel Lamp
- Steel Ogre Grotto #1
- Stim-Pack
- Stinging Jellyfish
- Stinging Swordsman
- Stone Statue of the Aztecs
- Stonehenge Methods
- Stonehenge Shield
- Stop Defense
- Storm Caller
- Stray Cat
- Stray Cat Girl
- Stray Lambs
- Strike Ninja
- String of Destiny
- Strong Shovel Excavator