He can be in play by turn two with a little ramp, and while the food token from his +2 ability isn't that impactful, he's then sitting at six loyalty - and dealing with him is an utter nightmare
Finally, I wanted to quickly mention Kaya, Orzhov Usurper
On the other hand, Mystical Tutor is hand disadvantage in a matchup where that cannot abide, as is Vampiric Tutor, though the latters ability to get Energy Flux and Null Rod, or the creature side of the combo, makes it worthy of inclusion on the draw
8 Tim The Enchanter Prodigal Sorcerer While Tim is a named character, meaning under normal Magic circumstances they'd be legendary, it's only fitting that Tim the Enchanter is a reskin of the Prodigal Sorcerer, who has long been given the nickname Tim after this very character