Murders at Karlov Manor

Aurelia, the Law Above | Legendary Creature | Angel | Flying, vigilance, haste Whenever a player attacks with three or more creatures, you draw a card. Whenever a player attacks with five or more creatures, Aurelia, the Law Above deals 3 damage to each of your opponents and you gain 3 life. | Lie Setiawan

Warleader's Call | Enchantment | | Creatures you control get +1/+1. Whenever a creature enters the battlefield under your control, Warleader's Call deals 1 damage to each opponent. | Aldo Domínguez

Ill-Timed Explosion | Sorcery | | Draw two cards. Then you may discard two cards. When you do, Ill-Timed Explosion deals X damage to each creature, where X is the greatest mana value among cards discarded this way. | Aaron J. Riley

Kylox, Visionary Inventor | Legendary Creature | Viashino Artificer | Menace, ward {2}, haste Whenever Kylox, Visionary Inventor attacks, sacrifice any number of other creatures, then exile the top X cards of your library, where X is their total power. You may cast any number of instant and/or sorcery spells from among the exiled cards without paying their mana costs. | Lie Setiawan

Blood Spatter Analysis | Enchantment | | When Blood Spatter Analysis enters the battlefield, it deals 3 damage to target creature an opponent controls. Whenever one or more creatures die, mill a card and put a bloodstain counter on Blood Spatter Analysis. Then sacrifice it if it has five or more bloodstain counters on it. When you do, return target creature card from your graveyard to your hand. | Jokubas Uogintas

Judith, Carnage Connoisseur | Legendary Creature | Human Shaman | Whenever you cast an instant or sorcery spell, choose one — • That spell gains deathtouch and lifelink. • Create a 2/2 red Imp creature token with "When this creature dies, it deals 2 damage to each opponent." | Jodie Muir

Worldsoul's Rage | Sorcery | | Worldsoul's Rage deals X damage to any target. Put up to X land cards from your hand and/or graveyard onto the battlefield tapped. | Lius Lasahido

Yarus, Roar of the Old Gods | Legendary Creature | Centaur Druid | Other creatures you control have haste. Whenever one or more face-down creatures you control deal combat damage to a player, draw a card. Whenever a face-down creature you control dies, return it to the battlefield face down under its owner's control if it's a permanent card, then turn it face up. | Dmitry Burmak

Leyline of the Guildpact | Enchantment | | If Leyline of the Guildpact is in your opening hand, you may begin the game with it on the battlefield. Each nonland permanent you control is all colors. Lands you control are every basic land type in addition to their other types. | Daarken

Niv-Mizzet, Guildpact | Legendary Creature | Dragon Avatar | Flying, hexproof from multicolored Whenever Niv-Mizzet, Guildpact deals combat damage to a player, it deals X damage to any target, target player draws X cards, and you gain X life, where X is the number of different color pairs among permanents you control that are exactly two colors. | Chris Rallis