Ravnica Allegiance

Priest of Forgotten Gods | Creature | Human Cleric | {T}, Sacrifice two other creatures: Any number of target players each lose 2 life and sacrifice a creature. You add {B}{B} and draw a card. | Zack Stella

Rix Maadi Reveler | Creature | Human Shaman | Spectacle {2}{B}{R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) When Rix Maadi Reveler enters the battlefield, discard a card, then draw a card. If Rix Maadi Reveler's spectacle cost was paid, instead discard your hand, then draw three cards. | Sara Winters

Revival | Sorcery | | Return target creature card with mana value 3 or less from your graveyard to the battlefield. | Paul Scott Canavan