Choosing Our Commander Spirit Squadron provides two options to lead the stock list: the face card, Millicent, Restless Revenant, and the partners Rhoda, Geist Avenger & Timin, Youthful Geist
Each is equally likely, and you will always receive styles you don't own yet until you collect them all: Sheoldred, the Apocalypse Vohar, Vodalian Desecrator Rona, Sheoldreds Faithful Elas il -Kor, Sadistic Pilgrim Raff, Weatherlight Stalwart Balmor, Battlemage Captain Squee, Dubious Monarch Shanna, Purifying Blade Zur, Eternal Schemer Ertai Resurrected Jodah, the Unifier Radha, Coalition Warlord Stenn, Paranoid Partisan Aron, Benalias Ruin Baird, Argivian Recruiter
In all of them, its there because it sparks joy
Plaguecrafter is generally best against Voltron decks, or decks that dont run many creatures