What is your favourite medium?

I'm in an acrylic phase right now and have been really enjoying working with brushes. One of my favourite mediums to this date is oil pastels, although I don't use them very often anymore. I love the smooth feeling of them going across a page and that you can blend them together and they look really neat. Clay is also a favourite medium of mine. I took a sculpture class in high school and fell in love with the feeling of it..