I'm looking at a GameFAQs thread with the gimmick "Design Smash as if it were NASB" and they just keep putting out banger idea after banger
- Make a swarm of angry wasps from Animal Crossing playable
- Create an OC stage for Xenoblade
- Greg Martin Sonic
- Ridley as a stage you fight on top of
- Playable Doc Louis
- Playable Meloetta
- Charmander replaces Charizard
- Playable Zavok