(I always imagine it like being what youd get if chess had certain edge cases where rooks could fly, bishops could teleport, or for a second, pawns were driving tanks.) Since the game is built around several thousand collectible cards, and almost every card has some additional unique ability to it one way or the other, it creates an endlessly manipulable, constantly surprising experience
Lutri, the Spellchaser is the only one card that is specifically banned as companion in Commander , since every singleton format already adheres to Lutri's requirement, so it'd be the most stapled, auto-included card alongside Izzet commanders
Morph is a Magic: The Gathering mechanic that's been around since the early 2000s, but doesn't feel up to snuff with the more powerful gameplay of modern-day Magic
As he is so polar in this regard a lot of his stats look really good and could be used to argue for him being in the number one slot