The face cards of both decks were revealed in the sneak preview
The Final Fantasy mythic has a jaw-dropping text box, giving a counter whenever you cast a noncreature spell while also dealing a damage to your opponent and then, once each turn, letting you make mana equal to its power for free
Sequence Bitterblossom early
If the deck did nothing but put the fourth Demonic Consultation in every deck with Necropotence, that would have been enough to memorialize LauerPotence, but other defining characteristics, such as its strict adherence to curve and its positioning of Firestorm (seen again in Randy's Tax Rack deck, above) were important additions to the Magic deck design vocabulary.
You can play it in Commander as well, where its occasionally used in top dragon Commander decks with heavy hitters like Lathliss, Dragon Queen and Archwing Dragon