It's a really simple idea. A rare disc that can only be acquired by causing a skeleton to fire an arrow at a charged creeper, this would be made even harder by the creeper's increased blast radius. Charged disc would probably be the most sought-after disc.
This method, no.
And even rarer than diamonds.. This would be everyone's favorite!
Rainy music?
Energized techno?
Speed metal?
The Sun rises in the North!Now these points of data make a beautiful line...
HAHALOL!