I had recently put both Cabal Coffers and Urborg, Tomb of Yawgmoth into my Syr Konrad, the Grim deck, figuring that it would be nice to use them to make lots of black mana
Thats why I had so many when their popularity exploded many years later
The only downside to these cards is that they are easy targets for removal, and once removed, your source of card draw is gone
Unless, as I said, its not just about altitude, but attitude as well
Arahbo, Roar of the World Commander 2017 is widely reviled for the introduction of the eminence mechanic, which lets commanders like Arahbo, Roar of the World affect the battlefield from the command zone
designed for multiplayer, it cant be broken in 1v1 and has intriguing implications once you add the mechanic to creatures without it