Use a Super to knock a Viola off of the middle platforms and ride it up the right wall by freezing it with Ice Beam. Once it reaches the top door, use another Super to knock it off again, and freeze it mid-air. Use Morph and X-Ray to stand on top of it and clip up through the door shell above.

Requires:

{
  "ammo": {
    "type": "Super",
    "count": 2
  }
}
"h_canXRayMorphIceClip"
{
  "or": [
    "canConsecutiveWalljump",
    "h_canFly",
    "canBePatient"
  ]
}

Bypasses door shell: true