Jidoor, Aristocratic Capital has an ability that mills half a players library tacked to an adventure, and if you have some ways to return lands from the battlefield to your hand, you can make a pretty good combo (Fear of Isolation, Kor Skyfisher)
Arcade Cabinet Arcade Cabinet requires sacrificing tokens to double counters, but it's repeatable, fairly cheap, and provides an anthem-like ability when it enters, which sets up the activated ability right away
This particular Black Lotus, graded by the Beckett service, rates at a 9.5 out of 10
Funnily enough, this card doesnt actually have the traditional Rarity symbol, and that only makes it even more special
So if youre like me and you need a deck that can survive at efficient, interactive tables while still doing fun, weird, flexible things, read on and learn how to pull off an infinite-dungeons speedrun