Someday, I would like to play a dredge deck and understand it well
Yes, you could setup some shenanigans with 003-039, and try to exert Genie right when you play him, but that is probably not going to be very reliable
Tarkir: Dragonstorm Commander (TDC) 413 cards Released 2025-04-11 $468.69 433.29 344.72 TIX
In my opinion, yes
There may be stronger options depending on the specific deck strategy, such as Ashiok, Nightmare Muse for additional disruption or Grave Titan for more immediate board impact, but Sephiroth could definitely find a place in the right deck due to its versatility and potential for snowballing advantage
The Adventure here isn't great, but it is upside on a Town that can tap for Blue, so a deck like U/G is still likely to play it