You could combine it with cards like Bristlebane Battler to make more saprolings (or even better, to leech from an opponent that has that card and kill it later by doubling its counters)
The main payoffs for discarding are graveyard interactions, and many mechanics explore that space: dredge, unearth, threshold, delve, and flashback are just a few examples
Supporting Damage Munkidori is a valuable card on the bench, capable of moving 3 damage counters from one of your Pokemon to one of your opponents Pokemon
Front The eight is where you start to see strong grades and weak grades
If the spell has any targets, you may choose new targets for any of the copies." As the replicate triggered ability resolves, you'll copy Shattering Spree for each time you paid its replicate cost, even if the original spell is no longer on the stack at that time (perhaps because it was countered)
If past Lillie cards are any indication, this one could be a long-term stunner