For example, if the exiled card is a land card, you may play it only during your main phase while the stack is empty and only if you have an available land play remaining
Cards like Consider and Mishras Bauble, when milled, is basically just free card draw combined with Raul
If you have just a Grizzly Bears, it draws you three cards and is a 3/3 creature
But perhaps thats because the majority of the new set leans into a more recent interpretation of assassins in Magic : one where the hit is not carried out against a specific creature, but your opponents themselves
Lead MTG designer Mark Rosewater says in a 2023 blog post that Cascade is "easier to manipulate through deck-building, which is a downside from a play design sense, but an upside from a power level sense", compared to Discover
You'll end up looking to your typical cards like shock lands, filter lands, and even maybe some of the new hotness (in this case, Overgrown Farmland)