mathmech yugioh deck Yu-Gi-Oh! - Sigma - MYFI-EN001 - Super Rare - 1st Edition while this card is in your hand or GY Mathmech - Yugipedia

Bixi, Water of the Yang Zing + Shaddoll Squamata = Jiaotu, Darkness of the Yang Zing Jiaotu, Darkness of the Yang Zing + Taotie, Shadow of the Yang Zing = Yazi, Evil of the Yang Zing Featured Cards: Stellarknight Alpha

Locke, Treasure Hunter Locke, Treasure Hunters evasion makes it a considerable threat in the command zone, and I love a cheap theft card

For each permanent exiled this way, its controller reveals cards from the top of their library until they reveal a card that shares a card type with it, puts that card onto the battlefield, then shuffles

Jimmy Zoppi (4Kids) (English) One member of a duo of Ghouls who challenge Dark Yugi and Kaiba to a tag-team death game where the loser sets off a bomb near their side of the glass ceiling and will fall to their death

Most of these releases are extremely limited, and were only printed for a short amount of time