The light will either be completely blocked (card is too thick/dark) or it will glow a bright, fiery orange/yellow because the paper density is completely wrong
CATEGORIES Pokemon Plush Toys Japanese Pokemon Cards Pokemon TCG Accessories Pikachu Plush Toys Pokemon Figures Pokemon Charms, Straps, Keychains Pokemon Stickers, Stamps, Postcards, Flats Pokemon School Supplies and Stationary Pokemon Clothing and Accessories Pokemon Phone Accessories Pokemon Video Game Accessories Pokemon Bags Pokemon Kitchen Items Pokemon Bedroom Items Pokemon Bathroom Items Pokemon Jewelry Pokemon Badges and Pins Pokemon Coins and Medals Pokemon Toys Pokemon Snacks Pokemon Art Books, CDs and DVDs Pokemon Center Special Campaigns Pokemon Miscellaneous Sale Items Pokemon 2015 Pokemon Card Gym Tournament Fighting Energy Reverse Holofoil Promo Card #XY-P Pokemon 2015 Pokemon Card Gym Battle tournament Fighting Energy reverse holofoil promo card
If this card is Pendulum Summoned, you can Special Summon 1 "Mythological" monster from the Graveyard
That card, of course, belongs to the Champion of Paldea, Geeta
Sealed booster boxes of that set have held up poorly, to put it mildly
Overall I expect rotation to be a much bigger factor in Standard changing than Bloomburrows release