While typically still worse than Top and Brainstorm for miracles, Delver of Secrets and the likes Serum Visions is quite a lot more use than Preordain at setting such things up
Honorable Mention to cards like Emmessi Tome, Urza's Blueprints, and cards like Anvil of Bogardan, Teferi's Puzzle Box, Scroll Rack, and Sensei's Divining Top that are more about card quality that card drawing
While the obvious first home for Urza's Cave is Tron decks as a failsafe for games where it's difficult to assemble the three Urza lands necessary for the strategy's explosive mana acceleration , it's also interesting to consider what else Urza's Cave can do in decks featuring Knight of the Reliquary, Elvish Reclaimer, and the Modern Horizons 3 reprint Sylvan Safekeeper
There are 24 cards in the Mardu color identity which have attacks triggers
Once this enchantment hits the board, players should race to empty their hands as quickly as possible