The fact that its an instant means that you can often bluff an overloaded Cyclonic Rift just be leaving mana open and people will likely avoid putting too many things onto the board or swinging at you with too many creatures because they dont want to have to go through the pain of rebuilding after being hit by this back-breaking board wipe
If it's an instant or sorcery card, you may cast it without paying its mana cost
You could sacrifice a random Clue or Thraben Inspector to it, but you actually want to keep those around
The reprint features Nidhogg dominating Hraesvelgr, which makes perfect sense given that the deck features references to Final Fantasy XIV s Heavensward expansion, but it really doesnt add any value to Yshtolas gameplay
Cards that mill consistently, like Sphinx's Tutelage, Patient Rebuilding, and Teferi's Tutelage are a fine addition for mill commanders, no matter if youre milling yourself or others
Did I miss your favorite dragon