Yes, the official shopDisney store will be selling Lorcana cards from September 1st , so they wont be jumping ahead with local games stores even though they clearly could get access early
Archetypes + Tier List I introduced these in the Sealed Guide, but now we can go over the commons and synergies that make each archetype work
Overview Arena Direct is a new event series that allows players to compete in games of digital Magic for physical rewards that will be shipped to them after the event series is over
(Though thats definitely part of it.) While comparisons to Magic: The Gathering are easy - there are a number of keywords with specific in-game effects, cards battle using two key values for their attack strength and health, and you can gradually play bigger cards as you build up your stock of in-game resource - Lorcana doesnt just whack a set of Mickey Mouse ears on the veteran TCG
The Sapphire/Steel deck accelerates resources to cheat out big characters early, the Emerald/Ruby deck had lots of character removal and ways to steal Lore from the opponent, and the Amber/Amethyst deck had lots of card draw and could pull off many tricks and combos
What that means for you today: any card that exists only in Sets 912, with no reprint in a newer set, has roughly a year left in Core