Seems to be Side Yugi stuff

– Millennium Shield
– Secret Rare Magician’s Valkyria

Electromagnetic Turtle, Black Illusion, Celtic Guardian

Red-Eyes Darkness Metal Dragon (Secret Rare), Tiger Axe, Zoa

Red-Eyes Black Metal Dragon, Gilford the Legend (Secret Rare), Panther Warrior

Harpie’s Pet Dragon, Cyber Harpie Lady, Amazoness Chain Master

Metal Zoa, Masked Beast Des Gardius, Hannibal Necromancer, Zera the Mant, Super Warlion

Fairy King Truesdale, Teva, Exarion Universe