Like every newly released card, Battles will need to be evaluated on a case-by-case basis, given their mechanics don't seem to break the game pattern so much as to make them a semi-mandatory feature in every deck (unlike what we saw with Companions)
With a bundle you will immediately have a large stack of boosters, beautiful basic lands, an oversized spindown lifecounter to keep track of your life total and a handy collector's box
Zelix, Sanity Flayer is very good value for a mill deck, since he creates 1/1s every time a player mills a creature card
Now, PSA-graded cards can even be purchased via the PSA Vault feature on eBay, which invites collectors to submit, store, and browse a collection of PSA-graded cards
Advertised as a fresh start, the pitch is simple "welcome to the story." I've been digging through boosters and its two single-player decks over the past few weeks, and I have to admit: it really is the best entry-point for newcomers