Its generally best to cast it on your turn, but the flexibility of playing it on your opponents turn is nice, and youll have plenty of options to discard since you see four new cards for 4 mana
Its a quick-play spell that destroys one spell or trap on the field
Take the -1/-1 counters off your persist creatures and hand them to an opponent, or shift a lifelink counter from Dust Animus onto your Aetherflux Reservoir
I think when people thing about the market in a bubble they jump to Moonbreon, Battle Lilly, Alolan Friends, etc and the other waifu cards but to me those are hype cards and useless to the discussion of the overall market
You won't find a binder large enough to house all 1,025 critters in this range, but it is the most secure I've used so far (sorry, Ultra Pro)
If your deck cares about the graveyard at all, you ought to consider one or two of these effects