With Supers or Power Bombs, kill Funes except for the topmost. Without either, use Morph and bombs or springball to get over the secret Fune and farm a Fireflea. It is possible to escape the Fireflea pit with a shinespark.

Entrance condition:

"comeInWithRMode": {}

Requires:

"canTrickyJump",
{"or": [
  "Morph",
  {"enemyKill": {
    "enemies": [["Boulder"]]
  }},
  {"and": [
    {"disableEquipment": "ScrewAttack"},
    "canPseudoScrew"
  ]}
]},
{"or": [
  {"and": [
    {"enemyKill": {
      "enemies": [["Fune"]]
    }},
    "h_RModeCanRefillReserves",
    {"partialRefill": {"type": "ReserveEnergy", "limit": 20}},
    {"resourceMissingAtMost": [{"type": "Missile", "count": 0}]}
  ]},
  {"and": [
    "Morph",
    {"or": [
      "h_useSpringBall",
      {"and": [
        "h_useMorphBombs",
        "canBombHorizontally"
      ]}
    ]},
    "h_RModeCanRefillReserves",
    {"partialRefill": {"type": "ReserveEnergy", "limit": 20}},
    {"resourceMissingAtMost": [{"type": "PowerBomb", "count": 0}]},
    {"canShineCharge": {
      "usedTiles": 17,
      "gentleUpTiles": 6,
      "steepUpTiles": 1,
      "openEnd": 1
    }},
    {"shinespark": {"frames": 9, "excessFrames": 4}}
  ]}
]},
{"canShineCharge": {
  "usedTiles": 21,
  "gentleUpTiles": 3,
  "gentleDownTiles": 3,
  "openEnd": 1
}},
{"autoReserveTrigger": {"maxReserveEnergy": 95}},
"canRModeSparkInterrupt"

Dev note: FIXME: Notable strat 'Morph Over The Fune' for getting over the secret fune (and then R-Jump to get out) isn't included.