Paleozoic Hallucigenia

The Paleozoic Hallucigenia card was introduced as part of the 2017 Mega-Tin Mega Pack, which compiled popular cards from the previous year of the Yu-Gi-Oh! trading card game. This trap card draws its visual and thematic inspiration from the Burgess Shale fossil Hallucigenia, a bizarre velvet worm from the Cambrian period. The card design was conceptualized to represent the prehistoric nature of these organisms, manifesting as cards that can be summoned as effect monsters during the duel.

As a member of the Paleozoic archetype, Hallucigenia reflects the mechanical identity of the set, which focuses on trap cards interacting with the graveyard to gain additional utility. While the card is a common rarity, it remains a functional piece of competitive history, appreciated by players for its ability to reduce an opponent's monster's attack and defense to zero. Its reception has been largely defined by its utility in specific trap-heavy strategies rather than its collector market value.