Urzas Cave Busted in Commander, Urza's Cave seems tempting in some kind of The Enigma Jewel deck, which is barely fringe in Standard, much less Modern
Neither of these records are going to be easy to beat (with a shorter probably being impossible)
Its expensive to get going, but once youve got it attached to a creature you get to play a fun mind game with your opponent and force them to consider what sort of combat trick you could pull from your library
Most Commander decks are going to want the vast majority of the remaining cards to be creatures, but if youre playing a deck that only cares about a different type of card, say instants or enchantments, then youll likely want to finish the deck off with those instead
This can occur when the printer for the fakes wasnt lined up quite right or the doctored image printed on the card wasnt scaled correctly to fit the size of the card
The deck also has a few enchantment tutor effects to help you get the shrines into your hand