If a permanent enters the battlefield under an opponent's control with hexproof, indestructible, protection, shroud, and/or ward after Shay Cormac's first ability resolves, it won't lose that ability until you activate Shay Cormac's first ability again
When it comes to characters, one thing to keep in mind is that the 4 card rule will also apply to Enchanted variants in Disney Lorcana

Vanguard Unopend Pack Quintessential Bride Card Game Unopend Box Quintessential Bride Card Game Unopend Pack amiibo DINOSAUR KING Rebirth for you Unopened Box Rebirth for you Unopened Pack WIXOSS Unopened Pack WIXOSS Unopened Box NARUTO Card Game Unopened Pack One Piece Card Game Official Supply Others Air Kukini ACG Air Vapormax Air Woven Disc Blaze Air Tailwind Air Span 2 Air Revaderchi Special Field Air Force 1 Terminator Space Hippie Air Shake Air Jordan 36 Air Jordan 35 Air Jordan 34 YEEZY 300 57/40 KAWHI ZX FURY VORTEX HIGHCUT CLAY MOOPIE JEWELRY PAINT JEWELRY HALF & HALF JEWELRY JEWELRY SPRINKLE INTERSTELLAR JEWELRY CLASSIC NYLON Skate Boarding JOG 100 Gel-1130 Kosmo Rider Army Trainer Vaderon A Bathing Ape Other Models 3holes Sneaker Arclight B30 B23 B27 ID Walk N D-CONNECT DPlayer Wander Addict B01 Solar B25 VIBE B28 B24 Triple S Other Speed 8holes Chelsea 6holes archie2 jungle boots 10holes Church Monkey Chakka Boots 9holes 20holes 14holes Classic Moc Classic Round Red Wing Other Models Wallabee Wallabee Boot Other BREACON Desert Boots Classic Sandal Classic Clog Other Other CA805 Sli Pon Loafer Boots Curry WAYNE Others BLAKEY HANK PTRSN PETERSON BAKER PAST Sole Bondi Clifton Kaha Slide Anacapa Hopara Tor Ultra Rincon Ray Other Disruptor adidas Other Models 7.5inch 6inch Field Boot 8inch 5inch Chukka Euro Hiker Classic Lug Field Guide Slip on World Hiker JEWELRY FOG MOOPIE MARY JANE JEWELRY LOAFER Dior Other Models Adimatic Luka 1 Supply Gundam War Pokmon Card Skyla PSA9 BW 1 is an item listed by matsu

If youre in the right colors, try to include removal that targets non-creature permanents, like Wilt and Conclave Tribunal
Pokmon TCG Lives full release date coincided with the release of Scarlet & Violet - Paldea Evolved, the latest Pokmon TCG expansion based on the Nintendo Switch video games
I believe that there is a high enough chance of decent cards, even if the packs were weighed, to offset the cost of the pack, or at least make the total cost of the pack at least a decent amount less