Well, sentinel tower starts to count anew each turn, but counts your opponent turns. This one carries counter over to next turn. Still don’t think it really does enough to make it worth it.

Yeah, I guess it is a question if Urza’s native storm is a prime focus or just an incidental value. No point in playing a potential dead card for incidental value. In an aetherflux reservoir focused list it could make more sense, since we want to get to our reservoir and his play-for-free ability would open up another line to that easily. If the focus is more the infinite swan thing, that changes the picture drastically. I probably would feel more comfortable to keep him on an artifact centric combo, though, because of the easier tutoring for those. But that might just be that I find the Swan-Combo overly fiddly in explaining 😉

I wonder if [[Mana Severance]] could make sense – easy to find via Muddle or Spellseeker and will make sure your storm doesn’t whiff.

I just realize that probebly my wishful thinking is typing in above comment, because if other lists are green-heavy enough to run this, several of my decks will probably be relegated to casual 😉 (Jhoira doesn’t feel that good right now and Paradox Arcum already was on the bleachers but might not even be allowed into the stadium anymore)

Maybe for Brostorm or Gitrog? I mean, there aren’t that many lists so green-heavy that the alternate casting cost is reliable, or are there?

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I wonder, if they do a cycle (as it looks like), what will the others be? The black one will be some creature removal, I guess – and that one could be super interesting, if it is, since many decks are heavy on black. Red some kind of direct damage, most probably, and I guess too small to matter in cEDH. But what will white be? Some kind of exile? Or just some free tokens?