Streets of New Capenna

Mage's Attendant | Creature | Cat Rogue | When Mage's Attendant enters the battlefield, create a 1/1 blue Wizard creature token with "{1}, Sacrifice this creature: Counter target noncreature spell unless its controller pays {1}." | Igor Kieryluk

Rumor Gatherer | Creature | Elf Wizard | Alliance — Whenever another creature enters the battlefield under your control, scry 1. If this is the second time this ability has resolved this turn, draw a card instead. | Simon Dominic

Wingshield Agent | Creature | Human Soldier | Wingshield Agent enters the battlefield with a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) Whenever Wingshield Agent attacks, up to one other target creature gains flying until end of turn. | Aaron J. Riley

Raffine's Silencer | Creature | Human Assassin | When Raffine's Silencer enters the battlefield, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.) When Raffine's Silencer dies, target creature an opponent controls gets -X/-X until end of turn, where X is Raffine's Silencer's power. | Fajareka Setiawan

Night Clubber | Creature | Human Warrior | When Night Clubber enters the battlefield, creatures your opponents control get -1/-1 until end of turn. Blitz {2}{B} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.) | Joshua Raphael

Pyre-Sledge Arsonist | Creature | Viashino Shaman | {1}, {T}: Pyre-Sledge Arsonist deals X damage to any target, where X is the number of permanents you've sacrificed this turn. | Kekai Kotaki

Nimble Larcenist | Creature | Bird Rogue | Flying When Nimble Larcenist enters the battlefield, target opponent reveals their hand. You choose an artifact, instant, or sorcery card from it and exile that card. | Volkan Baǵa

Lagrella, the Magpie | Legendary Creature | Human Soldier | When Lagrella, the Magpie enters the battlefield, exile any number of other target creatures controlled by different players until Lagrella leaves the battlefield. When an exiled card enters the battlefield under your control this way, put two +1/+1 counters on it. | Donato Giancola

Disciplined Duelist | Creature | Human Citizen | Double strike Disciplined Duelist enters the battlefield with a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) | Josu Hernaiz

Rocco, Cabaretti Caterer | Legendary Creature | Elf Druid | When Rocco, Cabaretti Caterer enters the battlefield, if you cast it, you may search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle. | Chris Seaman

Brazen Upstart | Creature | Elf Shaman | Vigilance When Brazen Upstart dies, look at the top five cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. | Dallas Williams

Corpse Appraiser | Creature | Vampire Rogue | When Corpse Appraiser enters the battlefield, exile up to one target creature card from a graveyard. If a card is put into exile this way, look at the top three cards of your library, then put one of those cards into your hand and the rest into your graveyard. | Josh Hass

Crew Captain | Creature | Human Warrior | Haste Crew Captain has indestructible as long as it entered the battlefield this turn. | Jakub Kasper

Scuttling Butler | Artifact Creature | Construct | At the beginning of combat on your turn, if you control two or more multicolored permanents, Scuttling Butler gains double strike until end of turn. | Gaboleps