Morph and ride the Trippers.

Entrance condition:

{
  "comeInWithGMode": {
    "mode": "any",
    "morphed": true
  }
}

Requires:

{
  "or": [
    "Morph",
    "h_canArtificialMorphSpringBall"
  ]
}
"h_HeatedGModeOpenDifferentDoor"