why can't i trade certain cards in pokemon tcg Pocket's Rumored Restrictions May Be a Necessary Evil Why can't I trade these

Gyarados (Wisdom of Sea and Sky #215/241, 1-Star Shiny)

We grade this Sword & Shield set A

Premium Collection includes: 3 promo cards featuring Iron Leaves ex, Iron Crown ex, and Iron Boulder ex

Toucannon Pitch Black (PBL) #094 Primarina Pitch Black (PBL) #088 Toucannon Pitch Black (PBL) #068 Annihilape Pitch Black (PBL) #041 Palafin Pitch Black (PBL) #022 Primarina Pitch Black (PBL) #020 Donphan Chaos []

(A regular Art card can be found in 30% of packs and a foil-stamped Signature Art card can be found in 5% of packs.) In every pack you will find a combination of 15 cards of rarity Rare or higher and 36 Uncommon, 59 Common, and 01 Land cards

Details: Stage 1 Pokemon: Hariyama 113/193 Rare, Holo Paldea Evolved, 2023 New Cards: New cards are immediately packaged using a sleeve and top loader