yugioh blackwing trap cards CoreTCG - Synchro/Effect Monster Rarity Blackboost | How to obtain,

Each box guarantees one card from the SR-or-higher pool (SR, CSR, HR, or UR)

Any card sent to your opponent's GY is banished instead

The enchantment text is famously confusing (read the Oracle text, not the card), but the effect is simple: cheap reanimation that sticks around

FREE REWARDS WITH EVERY EXPANSION Fresh Battle Passes: Each new expansion release introduces a brand-new Battle Pass loaded with two new competitive decks, tons of booster packs, and deck cosmetics like coins, deck boxes, and card sleevesall at no cost to the player

I believe the number one reason is the games evolution

Hisuian Typhlosion VSTAR [Astral Radiance] is now Psychic-type and has a very powerful VSTAR Power