I love Mercy Marci too!!
The colors on Cowabunga are stunning! That's one I had overlooked!
On another note....this is not a Burseen iris...but I forgot to add it earlier because although I bought it last year it hasn't bloomed yet. I bought it specifically because of the fantastic beard! The color balance in the beard isn't the best...but here are two photos from Jedlicka's Blue J Iris and from Schreiner:
Orange Impact