Entrance condition:

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

Requires:

{
  "or": [
    "h_artificialMorphSpringBall",
    "h_artificialMorphBombs",
    "h_fourTileJumpMorph"
  ]
}

Dev note: A Power Bomb cannot be used, as it will solidify the bomb block.