The set does have tiny nods to some of the other subgenres we might explore in the future
Though the Rise of the Floodborn card can get three lore just by questing, Grand Pabbie, Oldest and Wisest can also get lore through its Ancient Insight ability, which means that whenever you remove a damage from any of your characters, then you automatically gain a lore
in cEDH, Blood Pet is often found in Krrik, Son of Yawgmoth builds as a way to net an extra mana for 2 life, but also sees a lot of play in Inalla, Archmage Ritualist and Ad Nauseam lines to rush out these expensive spells or aid in comboing off with other cards to win the game
The uniqueness is building a deck where your plan is simply to commandeer everyone elses threats
His abilities are incredibly powerful, with the each end step clause doing a lot of heavy lifting, and hes unstoppable against Aggro decks in the format