Personally, early in the game, I go for cards that will help me complete decks , while later I might save up more for getting those big, rare cards
Descend upon the Sinful | Illustration by Tyler Jacobson Delirium checks for artifacts, battles, creatures, enchantments, instants, lands, planeswalkers, sorceries, and tribal/kindred
One of the best examples of these cute monsters is the archetype known as Ghostrick's
However, if you do play into this monument with looters, wheels, or cards like Smellerbee, Rebel Fighter, Ox of Agonas or Lion's Eye Diamond, your production will shoot way up as will your advantage and chances of winning
It was great in the past, but being a level 5 that needs Normal Summoning and locks the player from attacking (outside of the monster they special summoned by its effect) makes it less useful these days
RIP that these places are no longer with us)