Ravnica Allegiance

Deputy of Detention | Creature | Vedalken Wizard | When Deputy of Detention enters the battlefield, exile target nonland permanent an opponent controls and all other nonland permanents that player controls with the same name as that permanent until Deputy of Detention leaves the battlefield. | G-host Lee

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

Teysa Karlov | Legendary Creature | Human Advisor | If a creature dying causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. Creature tokens you control have vigilance and lifelink. | Magali Villeneuve

Biomancer's Familiar | Creature | Mutant | Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana. {T}: The next time target creature adapts this turn, it adapts as though it had no +1/+1 counters on it. | Izzy

Zegana, Utopian Speaker | Legendary Creature | Merfolk Wizard | When Zegana, Utopian Speaker enters the battlefield, if you control another creature with a +1/+1 counter on it, draw a card. {4}{G}{U}: Adapt 4. (If this creature has no +1/+1 counters on it, put four +1/+1 counters on it.) Each creature you control with a +1/+1 counter on it has trample. | Slawomir Maniak

Judith, the Scourge Diva | Legendary Creature | Human Shaman | Other creatures you control get +1/+0. Whenever a nontoken creature you control dies, Judith, the Scourge Diva deals 1 damage to any target. | Wesley Burt

Gruul Spellbreaker | Creature | Ogre Warrior | Riot (This creature enters the battlefield with your choice of a +1/+1 counter or haste.) Trample As long as it's your turn, you and Gruul Spellbreaker have hexproof. | Zoltan Boros

Nikya of the Old Ways | Legendary Creature | Centaur Druid | You can't cast noncreature spells. Whenever you tap a land for mana, add one mana of any type that land produced. | Ryan Pancoast