yugioh extra deck sleeves Elemental HERO Card – Yu-Gi-Oh! The Golden Duelist Collection Card Sleeves have a special glittering foil that is unique to the Golden Duelist Collection and matches the other accessories Card sleeve - Yugipedia

Pokmon TCG Pocket developers noted that there was an interest for more robust competitive play and ranked matches seem like an easy solution until the game is eventually incorporated into an official competitive league similar to the physical Pokmon TCG

This is my personal take on the lore and it tries to be as accurate as the card-art as possible but it is not official

This Limited List is legal on the weekend of the event and only at the event

Pramikon, Sky Rampart: In any multiplayer format, whether it be EDH, two-headed giant or a friendly kitchen table game, this glimmering wall can shake up things by limiting the available targets