I also think while you have the tools to beat it, Naya Yuna can be pretty grindy against Control
Pay 1 life: Exile the top card of your library face down
At two auras, it gains vigilance and becomes a 5/5
This red mythic rare is risky to use, and if it goes wrong, the player will lose a huge chunk of their mana base for nothing
Maybe youre playing creatures that get better the more creatures that are in your graveyard, like Kessig Cagebreakers, Mortivore, and Fiend Artisan
Eight mana for a 5/5 flying, lifelink, haste, exalted creature is fine, but being able to convoke this onto the board faster thanks to your army of vampires makes this a fun bomb to drop