Ixalan

Anointed Deacon | Creature | Vampire Cleric | At the beginning of combat on your turn, you may have target Vampire get +2/+0 until end of turn. | Winona Nelson

Bishop of the Bloodstained | Creature | Vampire Cleric | When Bishop of the Bloodstained enters the battlefield, target opponent loses 1 life for each Vampire you control. | Yongjae Choi

Contract Killing | Sorcery | | Destroy target creature. Create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.") | Winona Nelson

Dark Nourishment | Instant | | Dark Nourishment deals 3 damage to any target. You gain 3 life. | Josh Hass

Dire Fleet Ravager | Creature | Orc Pirate Wizard | Menace, deathtouch When Dire Fleet Ravager enters the battlefield, each player loses a third of their life, rounded up. | Bram Sels

Revel in Riches | Enchantment | | Whenever a creature an opponent controls dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") At the beginning of your upkeep, if you control ten or more Treasures, you win the game. | Eric Deschamps

Spreading Rot | Sorcery | | Destroy target land. Its controller loses 2 life. | Yeong-Hao Han

Vona, Butcher of Magan | Legendary Creature | Vampire Knight | Vigilance, lifelink {T}, Pay 7 life: Destroy target nonland permanent. Activate only during your turn. | Volkan Baǵa

Deadeye Plunderers | Creature | Human Pirate | Deadeye Plunderers gets +1/+1 for each artifact you control. {2}{U}{B}: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") | Greg Opalinski