Without Morph, the pirates will not spawn. While near the bomb blocks, use a Power Bomb and then use X-ray to cancel G-mode, which will clear the blocks.

Entrance condition:

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

Requires:

"h_canArtificialMorphSpringBall"
"h_canArtificialMorphPowerBomb"

Clears obstacles: A