The short version of this is Etali, doing Etali things
Promos (P) Promotional cards - like the aforementioned Lightning Bolt from MagicFest - can come from events, prereleases, special products, store promos, conventions, Secret Lair drops, and various other places where Wizards know we players are willing to pay top dollar for them
We still didn't have anything approaching a "set file," but as someone who is more used to designing for Limited, I wanted to test our mechanics in something that felt like the games of Limited I was used to
As you can see there are plenty of red and red-leaning cards if you feel like one combat per turn is just not enough
"If only I could go back in time I would spend all my money and buy 10 Tarmogoyf when it was first released, I would be rich now"