A few weeks ago, I was fortunate to be given a whole box of 12x12" Stampin' Up patterned papers by a friend who was down-sizing. I've used a piece of one of those papers for the base of the card, layering it on to a yellow card stock and then on to a white card blank.
For the central area, I used two Spellbinders dies (sorry, I don't recall the names of them, as I have had them for years). In the yellow cardstock I die cut a scalloped edge square, and in the white a plain square.
On the white square, I stamped the "Happy Birthday" greeting, which is part of a Penny Black stamp set called "Sprinkles and smiles 30-297", stamped in Versafine Clair "Nocturne" black ink. I then layered and glued them to the patterned paper