On the front, Cosima is a little hard to parse, but essentially, she works like so: at the beginning of your upkeep, you exile Cosima
Its especially wicked in a Zur, Eternal Schemer deck, but my guilty-pleasure Standard deck for the MTG Arena ladder is full of sacrifice fodder enchantments, Beseech the Mirror, and toolbox cards
Youll combine a powerful 9/9 body with the ability to play cards from your opponents libraries, and your board will get stronger and stronger
Now, legendary Vehicles can also be your commander, opening up around a dozen new options for your next deck
Pashalik Mons Another goblin that probably works better in 99s than as a commander, due to other superior options
Creature Generation This is just the section about what dorks and things that make them that are ideal for these decks