With that kind of universal comeback potential, its easy to see why its often mentioned as one of the most powerful Yu-Gi-Oh
card which you can buy from Japan directly if you're interested in attempting to get your hands on any of these rare Yu-Gi-Oh
C Common SH Shatterfoil Koa'ki Meiru Sandman X EARTH Level 4 [ RockEffect ] ATK 1900 DEF 1200 During each of your End Phases, destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the GY or reveal 1 Rock monster in your hand
However, "Erebus the Underworld Monarch" can still be Tribute Summoned, thanks to being Zombie-type, and its effect can potentially be used to shuffle "Zombie World" into the opponent's Deck, thus solving the problem until they draw it again
The former effect works well with Worm, which makes full use of the backside defense, the latter's destruction part is the evil god advent, which is a condition for summoning Venominaga, and the ATK 0 part is compatible with his Reptilianne, which utilizes the opponent's girlfriend's ATK 0