Emeritus of Woe // Demonic Tutor (Secrets of Strixhaven Promos #80p)

Creature — Vampire Warlock - {3}{B}
This creature enters prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)
At the beginning of your end step, if two or more creatures died this turn, this creature becomes prepared.
5/4
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Sorcery - {1}{B}
Search your library for a card, put that card into your hand, then shuffle.