The player is encouraged to have a cheap creature or disposable token on hand so they don't sabotage their own board while using this Saga
And what you might think is obvious in a piece of art might be interpreted wildly different by others
Bruvac doubles the amount that you mill, then Tutelage asks if any of those four cards share a color in order to repeat the process, which is considerably more likely to happen
While Ledger Shredder rewarded you when multiple spells were cast, Raffine, Scheming Seer lets one of your attacking creatures connive X, where X is the number of attacking creatures
That alone makes it a significant object for collectors
What I don't fully understand is this: The enchantment doesn't have a casting cost printed on it, so am I or am I not casting a Spirit creature that then transforms in to an enchantment and who's cost is reduced by the effect of Urza's Incubator