Phalanx isn't a playable card in most decks, but it does work quite well with a toughness-themed deck with ways of making your creatures assign combat damage equal to their toughness
Its easy for a dedicated deck to enable it, and flash shenanigans even let you get card draw on your opponents turns
Bundles are the best way to get your collection off the ground and contain 8 Set Boosters, 1 Universes Beyond - Jurassic World Collection card, 1 Bundle-exclusive, alt-art Traditional Foil card and much more
You can still get Hexproof if you need it, but it has two other modes that can be useful in different situations, and having an option between those three things is pretty nice, though not incredibly
Keep in mind, however, that cards such as Atraxas Fall that Destroy Battle cards will not cause them to transform