People playing Pioneer, Legacy, Vintage, Frontier, Singleton People creating their MTG Cubes, usually full of foils and super powerful cards, or heavily built around certain themes
This commander often leads sacrifice decks that squeeze as many triggers as possible from cards like Junji, the Midnight Sky and Sidisi, Undead Vizier
Whether they sell to customers in the shop, or sell the cards online and ship them, organization is key to managing a large card collection
Of these hate cards, however, cards that work against graveyard strategies will likely be the most in-demand
(1) When your opponent activates a Spell/Trap Card while you control a Magikey Ritual Monster or a Magikey monster Special Summoned from the Extra Deck: Negate that activation, and if you do, destroy that card, then you can declare 1 Attribute, and if you do, all face-up monsters your opponent currently controls become the declared Attribute until the end of this turn.