oooo this is a tough one!!
I'd say my favorite is probably:
https://www.etsy.com/listing/129997261/bright-flowered-love-cardI love the contrasting colors and different techniques I used to make this one.
Renee's favorite is most likely:
https://www.etsy.com/listing/130752565/fathers-day-cardShe spent a lot of time coloring in the dragons!