The EX era is easily my all time favorite (probably because of the amount of love these two got during that time) I have a link to my collection thread in my signature Im not nearly as far along as you though lol
While the first Ghost was defeated by Yusei, Primo steals a program created by Yusei and Bruno, and installs it into an army of Ghosts (collectively known as the Diablo) that he releases throughout the city
When it comes to older formats, Im not sure where they belong
Packs earned through the Mastery Pass, by completing in in-game events, from the codes found in physical pre-release packs , or by using the freebie codes provided by Wizards for each set will not earn you progress towards a Golden Pack.
One of the three packs, Magic: The Gathering 's Secret Lair x SpongeBob SquarePants: Legends of Bikini Bottom pack, has cards of all the main characters, giving them abilities and artwork to match with their in-show persona
