Streets of New Capenna

Attended Socialite | Creature | Elf Druid | Alliance — Whenever another creature enters the battlefield under your control, Attended Socialite gets +1/+1 until end of turn. | Drew Baker

Civic Gardener | Creature | Human Citizen | Whenever Civic Gardener attacks, untap target creature or land. | Drew Baker

Prizefight | Instant | | Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.) Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") | Deruchenko Alexander

Civil Servant | Creature | Cat Citizen | Whenever Civil Servant attacks, you may tap another untapped Citizen you control. If you do, Civil Servant gets +1/+0 and gains lifelink until end of turn. | Tony Foti

Jetmir's Fixer | Creature | Cat Warrior | {R}{G}: Jetmir's Fixer gets +1/+1 until end of turn. If mana from a Treasure was spent to activate this ability, put a +1/+1 counter on Jetmir's Fixer instead. | John Thacker