Yes, dungeons are a special card type that never goes in your library and is initiated by specific cards
Its one of the reasons why I love the format, and I hope you do too
Decks that want to draw cards with Fact or Fiction are very unlikely to also be able to optimally use a Skullclamp, decks that have the mana to bust out a five or more mana draw spell are similarly unlikely to also want to use the economic but slow Ancestral Visions
That's probably enough to be getting on with
In fact, some of the schemes lead to various shifts in power across the table, and by getting the Duskmourn Commander precons, youll be able to fit in some schemes to be the final boss at your MTG table
Mega Evolution cards are one of the coolest additions the Pokmon TCG introduced in the XY era, and theyre a big reason many people still call Pokmon one of the best trading card games to collect and play