yugioh leviathan deck MTGNexus Poseidon deck | Yu-Gi-Oh Card

In the original Black & White series, ACE SPEC cards adhere to a rule that restricts your deck to containing only one ACE SPEC card

Competitive Play: Which Version Is Legal

While it isnt a self-contained archetype, it seems like it will see some success in Lightning-type decks because of its powerful Voltage Burst attack

Of course, she also copies any number of busted triggers that exist in the format, so shes eminently splashable

However, weirdly enough, its also sometimes the best card against soft graveyard hate like Relic of Progenitus and Soul-Guide Lantern, as you can quickly rebuild a graveyard to fuel a Murktide Regent if your opponent has exiled your graveyard earlier in the game