While the first-ever Iconic cards are, understandably, fetching sizeable fees, plenty of the other "Enchanted" cards are also reaching hundreds of dollars already, and are definitely worth chasing as well
A word of caution, especially for Dread Fugues specific two-cost cap, is that trading for a cheap spell with discard only works if that spell is unique
Rosewater's response is a very short but welcome one
(6/6/2025) If a player or permanent has more than one kind of counter on it, and you choose for it to get additional counters, it must get one of each kind of counter it already has
The issue with using a spell to deal with it is that, again, it has six loyalty after its first activation, so its out of range of any red spell
As usual this will be a list geared towards the kind of interactive decks I like to brew