It seems like a lot of steps to get, at most, five mana, which makes the justification for the high price rather hard to make
These factors are in constant flux because new cards come out all the time and shake up the meta: a more efficient removal spell, a lord that spawns an unexplored tribal deck
The majority are top-down representations of gods from real-world mythologies, with many unique one-off gods scattered about
Every single pack will contain 10 planeswalkers: 3-4 mythic planeswalkers 2-3 rare planeswalkers 4 uncommon planeswalkers This auction was made possible with the recent release of the War of the Spark set, and the addition of many rare and uncommon planeswalkers (whereas planeswalkers were almost exclusively mythic in previous sets)
Cards like Doubling Cube also demonstrate how this deviation from usual Magic arithmetic allows for unique and interesting build-arounds its not all just brute force and big numbers getting bigger
It's great in many builds from midrange to ramp to control and plays nicely in Snow decks to increase the card flow