Stand on low platforms as the Magdollites are rising so that they place their invisible flames low and out of the way. After the third Magdollite is a Multiviola that can easily hit Samus; kill or dodge it by crouching just left of the Magdollite.

Entrance condition:

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

Requires:

{
  "or": [
    "canTrickyJump",
    "Ice",
    "Wave",
    "Plasma",
    "ScrewAttack",
    {
      "ammo": {
        "type": "Missile",
        "count": 1
      }
    },
    {
      "ammo": {
        "type": "Super",
        "count": 1
      }
    },
    "h_usePowerBomb",
    {
      "enemyDamage": {
        "enemy": "Multiviola",
        "type": "contact",
        "hits": 1
      }
    }
  ]
}
"h_heatedGModeOpenDifferentDoor"

Dev note: Methods for crossing the room without canTrickyJump require killing the left Multiviola in two hits or less.