mtg card pack Uncommon MYSTERY – Fabled Tavern Discover your true self by crossing the boundary of eternal day into eternal night and rise triumphant as a master of order and chaos Wilds of Eldraine Draft Boosters

The section about him from MTG Wiki reads " the Codex Vocifera is a centuries-old tome of convoluted mystical knowledge that has become grouchily self-aware

Theres even another Otter later in the article thats perfect for the 99 of the deck

Fun Ranking: Fun in the 99 Ultimecia, Time SorceressUltimecia, Time Sorceress Im sure there's a way to break this as a commander

Just having this in play shaves off 1 mana for each creature you cast

She is a fantastic example of top-down design, in that she is a great representation of the spread of vampirism, and the concept of the "Master Vampire" that takes control of the Vampires it has created