I cut a leaf off of a healthy prayer plant with a razorblade. I cut within an eighth of an inch of the node, on an angle parallel to the remaining stem. I scored the bottom 0.5" of stem and dipped it in rooting gel.
In a 3" pot, I poked a 2" deep hole with a pencil. I put the cutting in the hole and tamped the soil down lightly to secure the cutting.
I don't know that this method will work, as I didn't include an entire node. I will update this post when either the leaf dies, or a new leaf appears.