Come in rolling with high speed, and use Spring Ball to jump around the ledge.

Entrance condition:

{
  "comeInWithMockball": {
    "speedBooster": true,
    "adjacentMinTiles": 20,
    "remoteAndLandingMinTiles": [
      [
        18.4375,
        0
      ]
    ]
  }
}

Requires:

"canTrickyDashJump"
"h_canUseSpringBall"

Dev note: An extra run speed of $4.0 and $4.1 works; speeds of at least $4.5 also work.