Very robust, healthy, happy, well-cared for and beautiful Arrowhead Plant (Syngonium podophyllum), which is commonly called a nephthytis or arrowhead vine and also called "White Butterfly". This plant loves bright, indirect sunlight and doesn't require much care, other than watering it maybe once per week and occasionally giving it a bit of Miracle Gro or other plant food every couple of months.
It includes the clay terra-cotta pot but not the saucer. I need to get it to a loving home where it will thrive.
Note: I've shown you the front and back of the plant. The 2nd photo is the back which has gotten a little "leggy", so you may want to cut it off completely and you can root the cutting in water or pot it directly in good potting soil and you will have 2 beautiful plants. (It won't take long for the re-potted one (if you choose to do that) will be up and thriving.