I dont know that a Rakdos donation deck was really something people were clamoring for, but in the playgroups that enjoy what Xantcha has to offer, they have always been a popular general
its a world where history, strategy, and investment collide
Besides which, there are other counters that function better for many decks, and on a case by case basis, you can decide if its right for you
(And perhaps we'll find some Eldritch Moon preview cards along the way to boot.) Decks built around creature types have been around since the dawn of Magic , when good ol' Richard Garfield printed cards like Goblin King in Limited Edition (Alpha)
Use rubber gloves at this point to avoid putting fingerprints on the card if it's a valuable card
Dual-color lands that don't enter tapped are extremely valuable, and players can use fetchlands to get them onto the battlefield more reliably