Each effect feels more tricksy than backbreaking while not necessarily the best of the Confluences (Id take Mystic in a vacuum), the flexibility you get for the four mana is hard to beat
Grimgrin frequently appears in live lots, where disciplined bidding can result in meaningful savings
My guess is that maybe half of the decks that made my Top 10 could reliably trade games with a modern Dredge deck
Well, in my experience its mostly because counterfeiters and bootleggers are either (or both): lazy and looking for a quick buck ignorant about the world of fan-made fake cards I mean think about it we had READY MADE materials for counterfeiters and bootleggers to make their own fake cards and sell them, and we wouldnt have been able to do anything about it
Karlach needs the support of an entire deck to shine bright with the fires of Avernus
If you're working with trilands, this usually means picking up a City of Brass, Mana Confluence, and Path of Ancestry and slotting those instead of some trilands/vivids