6 Counter Intelligence Charging Up Counter Intelligence is a precon built around charge counters, a mechanic that has been around for a while, but had never been the entire focus of a set previously
If Haunted Screen leaves the battlefield and then returns, it's a new object with no memory of its previous existence
You might think this means you'll be idle for most of the game when it's not your turn, but you'll have plenty of creature abilities to manage that can be activated as needed to ensure your opponents don't forget you're sitting at the table
(2/2/2024) A card with no mana cost can't be cast normally
This archetype is resilient against spot removal like Pacifism but can really suffer against cards like Man-o-War and Court Hussar which provide value while dealing with a threat, and Deaths-Head Buzzard will completely wreck decks overly reliant on one toughness creatures (which the fastest aggro decks are going to be)
Same when I turned what seemed like Pillory lockdown into a Gleancrawler Braingeyser