Entrance condition:

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

Requires:

{
  "or": [
    "h_canArtificialMorphPowerBomb",
    {
      "and": [
        "h_canArtificialMorphBombs",
        {
          "or": [
            "Gravity",
            "h_canArtificialMorphSpringBall"
          ]
        }
      ]
    }
  ]
}