I'd definitely recommend some of the games as way to introduce someone to Magic
I love this in response to something with overload that's only hitting opposing stuff to make friends like the really not nice Cyclonic Rift or slightly better-feeling Mizzium Mortars
27.3 The parties agree that, if the whole or any part of any one or more provisions is judged invalid or unenforceable, that portion will be deemed to be deleted and will not affect the validity or enforceability of the remaining provisions
The length varies between sets - from 4 in some E-series or early Ex era packs containing a holo card, to 9 in Legendary Collection, where commons and uncommons were printed on the same sheet
This is partially due to the production errors that hurt the quality of Revised
Opening Hand 1 Featuring mana, removal, countermagic, and Ancestral Recall, this hand is a snap keep