Look no further than the Lorcana Gateway, a tutorial and mini-adventure tucked inside a single game
Not only do they provide you with free cosmetics, like Card Styles to show off your flair, but they also can be redeemed for cards themselves, XP , and even Packs
They include just the right number of packs to get a good flavor for the set, along with neat things like special dice, and a storage box to put everything in
It also has the emerge mechanic, which means you can get this out after casting another creature and not pay the full (10) to cast it
Spells that cant be countered can be exiled by Spell Quellers ability
A 7-cost big body that puts opponent on the spot, forcing to make a difficult decision on whether to give you a Life card or they trash a Life card