Shinespark vertically from the sand to get onto the first ledge. Carefully jump onto the second ledge and return to lure the Boulder, or shoot it with a Super.

Entrance condition:

"comeInShinecharged": {},
"comesThroughToilet": "any"

Requires:

{"shineChargeFrames": 90},
"Gravity",
"Morph",
"canPlayInSand",
"canShinechargeMovementComplex",
{"shinespark": {"frames": 13, "excessFrames": 3}},
{"or": [
  "canCarefulJump",
  {"ammo": {"type": "Super", "count": 1}},
  {"enemyDamage": {"enemy": "Boulder", "type": "contact", "hits": 1}}
]}