A Blank Pokemon Card??? What is it?

I have never seen a Blank Pokemon card before with my own eyes. I pulled this card from the Brilliant Stars Build and Battle Stadium and it came from one of the prerelease packs. ►SUBSCRIBE HERE: https://www.youtube.com/c/millennialcollector ►Subscribe to my family channel: https://www.youtube.com/channel/UCIBz74zR0KJQpSLfMcQGJcw ►Subscribe to my Shorts Channel: https://www.youtube.com/c/MillennialCollectorShorts ►Merch: https://teespring.com/stores/millennialcollector ►Check out Deck Out Gaming and use the discount coupon code: MILLENNIAL to receive 5% off your purchase. This is an affiliate link: https://deckoutgaming.ca/?ref=3D4W_KrOuW4dC6 ►Check out Hobbiesville and use the discount coupon code on your first order: MILLENNIAL to receive 5% off your purchase. This is an affiliate link: https://hobbiesville.com/?ref=3D4W_KrOuW4dC6 For all your Amazon needs, make sure you use my link below for any of your purchases, really helps me if you do! ►Amazon.ca - https://amzn.to/3o8q4sH ►Amazon.com - https://amzn.to/3nas16B ►Fan mail: Millennial Collector PO Box 499 Thamesford, Ontario N0M 2M0 Canada