It requires nothing special to be playable and gives a lot in return
The most notable money cards would be Boros Charm and Swords to Plowshares
Aggravated Assault Outside some of the legendary creatures on this list, Aggravated Assault is the permanent card you want to use
When it comes to protecting your board, few cards do the job as well as this one (though unlike Teferi's Protection, it gives no such security to your life total)
Like most Magic: The Gathering cards, the value of Unleash the Inferno depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Streets of New Capenna)
Forsythe said that most buy-a-box promos worked, but that some of them like Nexus of Fate got away from us. He said that with the cards not being Standard, Modern, or Pioneer legal they shouldnt have to worry about them being so powerful that they are must-have cards for specific formats