This is an A2 card size using a Martha Stewart butterfly punch and a 3/4" circle punch. The vanilla card stock measures 3 1/8" x 3 7/8". Such a great way to use up scraps that I've been hoarding - LOL! The sentiment is: Carte Postal by Stampin' Up (retired).
The second card below measures 5" x 6 1/4" and uses a 1" punch. The sentiment is: Think of You by Hero Arts. These cards are simple, but something about them makes my heart sing!
Here's another butterfly card I made using a butterfly sticker and a watercolor powder from Paper Source called Pixie Paint by Cosmo Cricket in a color named Harbor: