Reflection of Kiki-Jiki copying an Eternal Witness on a turn-by-turn basis seems kind of fair if you're looping mediocre Saga cards, but you could loop anything in the deck if you plan ahead, so think bigger
The guild letter for the Izzet is also chuckle-worthy.Welcome to the Izzet League, achievers of the impossible
For example, I believe that Salt Road Packbeast is the best (or highest-potential) common in the format
As always, thatll depend on the supply of these decks, however, and how accessible the cards are in Collector Boosters
They're also the only card rarity that's legal in the Pauper MTG format
Tainted Indulgence took the role of Thirst for Discovery, as we dont want to have too many card drawing spells, and I think Tainted Indulgence is going to be better here