first series yugioh cards 12 Most Valuable Yu-Gi-Oh! Worth Adding to Your Deck Vol.1 | Yu-Gi-Oh! Wiki |

Playing your whole deck was not impossible, and building only a decent mana base was necessary

The TCG was popular then, but they hadn't hit cultural saturation and perceived value to the point that a single card would sell for $16.5 million, like Logan Paul's Illustrator just did earlier this year

[2] When a card or effect is activated on the field (Quick Effect): You can negate that effect, and if you do, this card gains 1000 ATK until the end of the turn

Maybe that's a big, powerful creature or spell that will be exciting to resolve

The Cardboard Sandwich: Secure the loaded sleeve flat between two thick pieces of rigid cardboard packaging using tape before slipping it inside an envelope or bubble mailer