Knocking out your allied AI-controlled Guest units in story battles to prevent them from killing enemies when you want to stall out the battle for whatever reason (such as when waiting for enemy corpses to crystalize or drop treasure chests, to grind out EXP/JP, or when trying to Invite one of the enemies)
So, instead, I think that what you're doing is thinking about how a 5-color graveyard deck should be constructed, and making suggestions based on that ideal
As such, players would probably be better off swapping in a two-cost artifact that taps for mana instead
7 Jetmir, Nexus of Revels Showcase Gilded Foil Frame: $64.75 Gilded foil is a new treatment for Streets of New Capenna that applies a smoother foiling effect to certain parts of the card kind of like a mid-way point between regular foil and etched
Given the ability to play multiple copies of lands like Crystal Quarry and/or Cascading Cataract, it's easy to rack up the mana requirement for Jodah's alternate cost
Time Spiral was so pitch-perfect that it was remastered years later in the wonderful draft set Time Spiral Remastered