You might not expect it to be the Dragon-focused colors, but it actually has a lot of great options with them: red and black
Of course, the core MTG rules don't allow players to control each other's actions, but Mindslaver changes all that
Game Store in East Providence RI | Gayas Cradle | Gaya's Cradle
It's the main reason we are playing eight two-mana spells that gain us life in Lightning Helix and Kor Firewalker, and also why we are not playing fetch lands
A colorless source of fixing is a nice thing to have around, and this format has enough multicolored stuff going on that solving this isnt impossible, and obviously the Case itself increases your chances of having a deck that lets you solve this, but I still think this will be hard enough to solve that most of the value just comes from its ability to fix your mana, with some occasional late-game upside
This is a very real payoff for a towns deck, and if that deck is good, this sorcery is bound to be one of the reasons why