It turns out that there are more than a few creatures that get a lot better when you turn them into artifacts and give them a mana ability, especially if you want to give yourself a repetitive stress injury in your wrist by tapping and untapping Horseshoe Crab, Simic Ragworm, Soliton, or Morphling until they kick you out of the LGS
When your entire deck is focused around dice-rolling, its possible to get multiple searches from the Puzzlebox
It is similar to clouding, but with a key difference: while clouding is an internal phenomenon that permanently dulls the cards surface, dirt is external and comes from contact with dirty hands, unclean environments, or greasy/adhesive substances
1 Desert of the Fervent
A Hunny deck spanning four or five inks gets something else entirely, and Ravensburgers own worked example in the release notes walks through exactly how the counting functions