Slifer the Sky Dragon Season 2 of the mainline "Yu-Gi-Oh!" series introduced the Egyptian God cards, which were one-of-a-kind monsters that could annihilate anything an opponent threw at them
Add in some infinite stuff with cards like Ashnod's Altar (I mean, right?) and Luminous Broodmoth, and you have a grindy slugfest
According to the blog from Fantasy Flight Games - the studio responsible for Arkham Horror: The Card Game and the other entries in the Arkham Horror Files universe - which announced the Revised Core Set, the higher-level cards are designed to give newer players more options when spending experience. Players who already own all the expansions and Mythos Packs for Arkham Horror: The Card Game will not find anything they wont already have in the Revised Core Set
In 2016, with the Invasion: Vengeance Booster Pack, the archetype gained its boss monster, "Toadally Awesome", a very solid Xyz that is able to negate the activation of cards and effects, steal the negated card, Special Summon a "Frog" monster from the Deck and retrieve a WATER monster when it is sent to the Graveyard
Its Hyper Rare rarity places it among the most difficult pulls in the Shrouded Fable setone of only five cards in that tier