Knight Knights represent honor and valiant combat, often featuring abilities that enhance their skills in battle such as first strike and color protection
I call upon examples of Idolized, Team Avatar, The Last Ronin, Thoughtweft Imbuer, Derelict Attic, and Bilbo's Ring
(The expected value of your low roll is the dice size minus the high roll EV plus 1, so 1.875 in the case of two d4s.) For the d8s used on Arcane Endeavor, the expected value of your high roll is 5.8125, which means that if you prioritize drawing cards, youll be drawing about six cards on average, and getting to cast a spell of about mana value 3
Do you want it to be creature-based or more heavily focused on planeswalkers or enchantments
Five mana is a lot for a tutor, even more so for one restricted to instants and sorceries
Unite the Coalition Brokers Confluence wishes it could be Unite the Coalition: a 5-color card that can protect your permanents but offers a host of other powerful abilities that dont limit its usage