Locking players out of half of the spells in the game is truly obnoxious, and your answers in hand are almost always even-costed
Use of target removal
But Landers do search for lands, and this enchantment has an extremely powerful payoff for land searchingspecifically rampso you should know about it for your next lands deck
Number 686 Language English Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (7/12/2019) Cryptic Caves can be one of the five lands you control
Other cards revealed in the stream today show the range of powers and potential archetypes available to players, including Fierce Empath, which can help you find huge creatures hiding in your deck, and Runed Halo, which can offer a lot of protection against decks aggressive or tricky decks, and Teferi's Ageless Insight, which will allow players to draw tons of cards (everyone loves to draw cards!)