While Konami occasionally prints artbooks to explain these stories, those have always only been written in Japanese, so many fans in the West are in the dark about these amazing characters
When If this card would be removed from leave the field, you can discard your hand and place it under on the bottom of your D eck instead.[/spoiler] I interpret "under" as "as physically under as you can get." If you meant "under your deck" as "top of your deck", express it properly
The deck is supported off and on when Konami feels like it, with some of the oldest going back over a decade, while the newest support appeared in Yu-Gi-Ohs Fist of the Gadgets set
Plus, unlike other similar effects, you are not revealing the top card to anyone, so you arent giving away any information if you dont want to
You should contact the OTS and inquire about that stores policies regarding buying, selling, and trading