Stand under where the gate will spawn when exiting G-mode to open it before grabbing the item.

Entrance condition:

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

Requires:

{"or": [
  "SpaceJump",
  "canSpringBallJumpMidAir",
  "canWallJump",
  {"and": [
    "HiJump",
    "canSpeedyJump"
  ]},
  "canTrickyDashJump",
  {"and": [
    {"canShineCharge": {
      "usedTiles": 28,
      "gentleUpTiles": 3,
      "gentleDownTiles": 3,
      "openEnd": 0
    }},
    {"or": [
      {"shinespark": {"frames": 18, "excessFrames": 8}},
      {"and": [
        "canSpeedyJump",
        {"shinespark": {"frames": 16, "excessFrames": 10}}
      ]}
    ]}
  ]}
]},
{"heatFrames": 25}

Clears obstacles: A