Welcome!
Todays techniques are using window sheets, die cut sheets, ink, and cardstock. Do you have a lot of die cut sets? I know I do, I just can't part with any of them. Here is one way to use them on your cards.
You can cut out a shape from a window sheet or Thick Basic White to make your own stencil. Another idea is to use the Stampin' Up! ® Masking Paper and cut an image using a die cut to make a silhouette and sponge ink around it.
Watch the video Here