Ravnica Allegiance

Carrion Imp | Creature | Imp | Flying When Carrion Imp enters the battlefield, you may exile target creature card from a graveyard. If you do, you gain 2 life. | Kev Walker

Spawn of Mayhem | Creature | Demon | Spectacle {1}{B}{B} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) Flying, trample At the beginning of your upkeep, Spawn of Mayhem deals 1 damage to each player. Then if you have 10 or less life, put a +1/+1 counter on Spawn of Mayhem. | Victor Adame Minguez

Undercity Scavenger | Creature | Ogre Warrior | When Undercity Scavenger enters the battlefield, you may sacrifice another creature. If you do, put two +1/+1 counters on Undercity Scavenger, then scry 2. | Tomasz Jedruszek

Vindictive Vampire | Creature | Vampire | Whenever another creature you control dies, Vindictive Vampire deals 1 damage to each opponent and you gain 1 life. | Randy Gallegos

Basilica Bell-Haunt | Creature | Spirit | When Basilica Bell-Haunt enters the battlefield, each opponent discards a card and you gain 3 life. | Yeong-Hao Han

Seraph of the Scales | Creature | Angel | Flying {W}: Seraph of the Scales gains vigilance until end of turn. {B}: Seraph of the Scales gains deathtouch until end of turn. Afterlife 2 (When this creature dies, create two 1/1 white and black Spirit creature tokens with flying.) | Magali Villeneuve

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

Rafter Demon | Creature | Demon | Spectacle {3}{B}{R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) When Rafter Demon enters the battlefield, if its spectacle cost was paid, each opponent discards a card. | Slawomir Maniak

Rakdos Firewheeler | Creature | Human Rogue | When Rakdos Firewheeler enters the battlefield, it deals 2 damage to target opponent and 2 damage to up to one target creature or planeswalker. | Slawomir Maniak