Bugenhagen, Wise Elder Bugenhagen, Wise Elder is exceedingly simple, but incredibly reliable
Terrible jokes aside, the ceiling on the 0 activated ability is immense, especially if you can work out something with Displacer Kitten or The Chain Veil to add a bunch of mana from Chandra in the same turn
As far as the tier list itself, here are the definitions S-Tier: A multi-format staple
Adding to this, its likely that the player will discard a valuable card among the trio sent to the discard pile
Still, Izzet Charm sees play all the way back to Modern and shows up in some Commander decks because the power of Izzet Charm is based on its flexibility, not its efficiency
It is one of the most miserable cards to play against in all of Magic