how much is a arceus vstar pokemon card worth 123/172 Brilliant Stars style setup or your main portfolio Arceus VSTAR 2023 Pokemon Crown

Mystery Booster cards are not Standard legal (unless you get a card that is already printed in a Standard legal set)

Avacyn Restored Helvault Prerelease Promos - These are very limited in quantity and were only available in the Helvault prerelease kit

I really like it for commanders in particular, since it means you can generally get your commander out fairly early, and depending on the card, benefit some from having it, but it won't eat a random Swords to Plowshares or a Lightning Bolt just because someone is getting wheeled out

Upheaval is like six or so Time Walks against some decks and still a couple against those best suited to recovering from it