Innistrad: Crimson Vow

Arm the Cathars | Sorcery | | Until end of turn, target creature gets +3/+3, up to one other target creature gets +2/+2, and up to one other target creature gets +1/+1. Those creatures gain vigilance until end of turn. | Zoltan Boros

Witness the Future | Sorcery | | Target player shuffles up to four target cards from their graveyard into their library. You look at the top four cards of your library, then put one of those cards into your hand and the rest on the bottom of your library in a random order. | Anato Finnstark

Markov Retribution | Sorcery | | Choose one or both — • Creatures you control get +1/+0 until end of turn. • Target Vampire you control deals damage equal to its power to another target creature. | Uriah Voth

Retrieve | Sorcery | | Return up to one target creature card and up to one target noncreature permanent card from your graveyard to your hand. Exile Retrieve. | Alix Branwyn