Sort:  

They are also good if you like ugly art or impressionism

Unless you want to create frayed strokes with them.
Are acrylic good for ordinary drawing paper? Will they get cockled or something? If I wanna try painting maybe I can do it on drawing paper. Canvas can be quite costly

In average I use normal paper but if too wet and if it dries fast it will crincle. I like to paint wet on wet so it has to dry slowly. You can also paint with it on woid, cardboard, cloth, srone and glass.