Enter with a shinespark ready, activate XMode by bouncing into the spikes, then activate the shinespark but release XMode during the shinespark windup animation.

Entrance condition:

{
  "comeInShinecharging": {
    "length": 4,
    "openEnd": 1
  }
}

Requires:

"canSuperJump"
"Morph"
{
  "spikeHits": 3
}
{
  "or": [
    {
      "spikeHits": 3
    },
    "Grapple",
    "SpaceJump"
  ]
}