Grim Servant
From Modern Horizons 3 set
Grim Servant
Creature — Zombie Warlock
3/2
Menace
When this creature enters, search your library for a card with mana value less than or equal to your devotion to black, reveal it, put it into your hand, then shuffle. You lose 3 life. (Each
in the mana costs of permanents you control counts toward your devotion to black.)