At the beginning of your upkeep, you may sacrifice Blood Speaker. If you do, search your library for a Demon card, reveal that card, put it into your hand, then shuffle. Whenever a Demon enters the battlefield under your control, return Blood Speaker from your graveyard to your hand.
![Blood Speaker [Champions of Kamigawa]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/65f62ac2-7be8-5967-a7eb-4c6e2ce9daf8_6be9e83e-9d99-4d14-b68c-baf3a67ac871.jpg?v=1698567090&width=1445)