For only one mana (or three, if you want to cast it from your graveyard), you draw two cards and discard two
I have you covered
After plenty of anticipation, the release of The Lost Caverns of Ixalan is almost upon us
The lieges from Eventide had enemy-colour costs and the Horror creature type Deathbringer Liege, Mindwrack Liege, Murkfiend Liege, and Balefire Liege, Creakwood Liege
The upside of killing something relevant and tempting can absolutely win games in UR, but to do this your opponent has to have multiple creatures of similar size on their board, which is often a board state that is not favorable for you
If consistency or winning are your primary goals, playing as many efficient tutors as you can fit in your deck is generally good advice