That means something like Akroma's Will that gives your creatures protection from all colors cant protect you from a Fleshbag Marauder
Torpor Orb | Illustration by Svetlin Velinov Stax cards impede your opponents development through various means , such as forcing them to sacrifice permanents, taxing them, making cards enter tapped, and simply having the text players/opponents cannot do X. Many players believe the term comes from Smokestack, a key card of the original stax list, and to some extent that's true
Instead, look for build-around cards like Dread Presence, Empyrean Eagle, Gnarlback Rhino, or cards with traits you know you'll use like removal and cheap ramp (examples: Chandra's Outrage, or Leafkin Druid)
The art is reminiscent of the old RPG and Adventure book style, with bold blacks and sepia tones, drawn by a variety of artists
It also can have the chance to remove cards your opponents want from the game permanently and so acts as a kind of chaos removal