Here's a square 'thanks' card I made, in w/b and red.
Each mushroom was die cut 3 times - red, black and white cs.
I used my watercolor brush with black ink to make some background for the mushroom on a water color paper, and with the same ink, I stamped the sentiment.
I mounted the panel on a dark red cs, and adhered it to my white cs basis.
It goes for the following challenges:
AAA Cards - black/white plus 1 color:
Color Hues - red and black:
Just Add Ink - minimalist: