The Celebrations expansion is also transferrable and playable at launch, with the exception of cards from the Classic Collection within the Celebrations expansion, which are transferrable at launch but will not be playable until future Pokmon TCG Live game updates
One of the best sets to do that with is Outlaws of Thunder Junction There are a number of things that makes Outlaws so great for new players: It has 51 Legendary Creatures across a range of colors and themes, from straightforward builds like The Gitrog, Ravenous Ride (which asks you to saddle with big creatures), to more complex builds like Taii Wakeen, a red and white trickshot deck that draws cards for dealing precise amounts of damage
It can be found in the pack from the WisdomOfSeaAndSky set
Types of storage: What size of storage do I need
For every Ledger Shredder that you end up wishing you bought early, there are twenty Koth, Fire of Resistances where you are much better off waiting until after the set releases to snag what you need