yugioh retro pack 1 booster box Amazon.com: Yu-Gi-Oh! (Box with 4 packs inside) : Toys & Games Retro Pack was a collection of vintage cards from the earliest days of the game Retro Pack | Yu-Gi-Oh! Wiki

In fact, some incredibly rare variants fetch thousands of dollars at auction

Im currently aware of the following: Pokmon-e Starter Deck 002/029 Bulbasaur - 4 (image) 005/029 Chikorita - 12 (image) 009/029 Charmander - 4 (image) 010/029 Charmander - 6 (image) 011/029 Charmeleon - 12 (image) 013/029 Cyndaquil - 10 (image) 022/029 Totodile - 6 (image) 023/029 Croconaw - 5 (image) 024/029 Feraligatr - 9 (image) Base Expansion Pack 016/128 Pikachu - 8 (image) 028/128 Clefairy - 10 (image) 029/128 Meowth - 7 (image) 079/128 Charizard - 20 (image, a PSA 9 copy is mislabelled) 082/128 Pichu - 25 (scroll up) Note that the Pikachu, Clefairy and Meowth are also from the Pokmon-e Starter Deck

Card: 1 126+1 card types This pack features many characters from the Whole Cake Island Arc, such as the Big Mom Pirates and the Vinsmoke Family

If the chosen enchantment is a token, Estrid's Invocation copies the original characteristics of that token as stated by the effect that created the token

Serpent of Yawning Depths is a must-include in giant sea creature tribal decks

[1] If you control a DARK Dragon Link monster, you can Special Summon this card (from your hand)