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Ill try to succinctly cover all the most important details for your success in this format
The four Pioneer Challenger decks for 2022 are: Izzet Phoenix, Orzhov Humans, Gruul Stompy, and Dimir Control
Sacrifice after IV.) I Create two 1/2 white Moogle creature tokens with lifelink
Back way when, Wizards didn't really make sure that there were ENOUGH playable limited cards in the common slots for sets (no one was playing much limited before the inception of the Pro Tour, around the release of Ice Age ), so horribly unplayable cards like Snowfall and Balduvian Shaman glutted the common slots of packs - and commons are where most of the meat of your limited cardpool comes from
On top of all that, each set has to be careful of the sets around it so that it's not stepping on the toes of what comes before or after it