This copy of Jolteon is something very special in that
Mains power at events, venues and even ordinary outlets is frequently unstable or dirty voltage spikes, surges, sags and brown-outs, flicker, overloaded or shared circuits, generators, long extension runs and the switching of nearby equipment can all push the supply outside the machines safe operating range
Its not exactly a set editor, but, well, whatever floats your boat
Here are the most effective ways to play around discard strategies: Draw a bunch of cards consistently, which is unfortunately something that some colors struggle to do (blue card draw and green card draw tend to be the best)
Its also potent against ramp-heavy decks in Commander, shutting down Chord of Calling and other massive payoffs unless your opponent wants to play them fairly