Streets of New Capenna

Involuntary Employment | Sorcery | | Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") | Milivoj Ćeran

Sizzling Soloist | Creature | Human Citizen | Alliance — Whenever another creature enters the battlefield under your control, target creature an opponent controls can't block this turn. If this is the second time this ability has resolved this turn, that creature attacks during its controller's next combat phase if able. | Véronique Meignaud

Forge Boss | Creature | Human Warrior | Whenever you sacrifice one or more other creatures, Forge Boss deals 2 damage to each opponent. This ability triggers only once each turn. | Igor Kieryluk

Stimulus Package | Enchantment | | When Stimulus Package enters the battlefield, create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.") Sacrifice a Treasure: Create a 1/1 green and white Citizen creature token. | Robin Olausson

Security Rhox | Creature | Rhino Warrior | You may pay {R}{G} rather than pay this spell's mana cost. Spend only mana produced by Treasures to cast it this way. | Lie Setiawan

Cormela, Glamour Thief | Legendary Creature | Vampire Rogue | Haste {1}, {T}: Add {U}{B}{R}. Spend this mana only to cast instant and/or sorcery spells. When Cormela, Glamour Thief dies, return up to one target instant or sorcery card from your graveyard to your hand. | Bram Sels

Mr. Orfeo, the Boulder | Legendary Creature | Rhino Warrior | Whenever you attack, double target creature's power until end of turn. | Daarken