Use the power of the target creature as Nibelheim Aflame resolves to determine how much damage it deals to each other creature
The price for each deck as of writing is around 45 dollars, which is a bit more than what you can get most recent EDH precons for
Elvish Rejuvenator
Oath Parfait (without counterspells) Out: 2 Smoldering Crater, 2 Sandbar Merfolk, 1 Drain Life In: 1 Expunge, 1 Gilded Light, 2 Twilights Call, 1 Songs of the Damned Strategy: Sculpt your hand to be able to play Gilded Light then cast Fluctuator, then win with Drain Life OR cast Fluctuator, pass, then Gilded Light on their turn and end step cycle then cast Twilights Call
While this can partly be attributed to the controversial border and hard-to-read font, it's also true that the cards that make up the Amonkhet Invocations are simply not as good or valuable as those in past Masterpiece sets
Well, because it can be made indestructible with great ease