Since the most recent update, people have lost hundreds of Pokemon, specifically Geodudes, and now some can not think of ways to efficiently use the Rhyhorn to its fullest potential. A Rhyhorn generator I have made includes the use of lava on water and breaks 324 blocks per Rhyhorn, which is the highest number I've found.
I have made a video
here <----(click this), on how to make the first/rest of the layers of this design, if you feel you need video help. The first layer is stack-able in order to make the next 9 layers. If you find other designs that may be better, feel free to share them with the rest of us
You may be thinking, why not evolve rhyhorn? Simple answer it's a waste of money. Rhydon cost 6 times as much as Rhyhorn, but does not do 6 times the amount of work.
Rhyhorn
>
Rhydon
Happy Skyblocking