There are other versions, including Neon Ink versions going for well over $1000, but if you manage to find the gold foil, it is the one youll want to find when youre cracking open Collector Boosters
This new format still revolves around 60-card decks with multiple copies per deck, but you'll build this deck around a digital card with special abilities, and it's encouraged that the format be played in groups of three or four
The other is Fill the Ranks, which lets you draw a card whenever a Floodborn character you control is banished during an opponent's turn.
Mad Hatter Eccentric Host, Mad Hatters Teapot, and A Very Merry Unbirthday are mill staples
You can also use it in 5cEDH for easy mana fixing in the early game
They also have plenty of flavor should you want to slip them into your Commander deck