Ravnica Allegiance

Hero of Precinct One | Creature | Human Warrior | Whenever you cast a multicolored spell, create a 1/1 white Human creature token. | Bram Sels

Tithe Taker | Creature | Human Soldier | During your turn, spells your opponents cast cost {1} more to cast and abilities your opponents activate cost {1} more to activate unless they're mana abilities. Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.) | Aaron Miller

Lavinia, Azorius Renegade | Legendary Creature | Human Soldier | Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls. Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. | Steven Belledin

Warrant | Instant | | Put target attacking or blocking creature on top of its owner's library. | Matt Stewart

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