Lavinia of the Tenth | Legendary Creature | Human Soldier | Protection from red
When Lavinia of the Tenth enters the battlefield, detain each nonland permanent your opponents control with mana value 4 or less. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.) | Willian Murai
Teysa, Envoy of Ghosts | Legendary Creature | Human Advisor | Vigilance, protection from creatures
Whenever a creature deals combat damage to you, destroy that creature. Create a 1/1 white and black Spirit creature token with flying. | Karla Ortiz
Boros Battleshaper | Creature | Minotaur Soldier | At the beginning of each combat, up to one target creature attacks or blocks this combat if able and up to one target creature can't attack or block this combat. | Zoltan Boros
Tajic, Blade of the Legion | Legendary Creature | Human Soldier | Indestructible
Battalion — Whenever Tajic, Blade of the Legion and at least two other creatures attack, Tajic gets +5/+5 until end of turn. | James Ryman
Emmara Tandris | Legendary Creature | Elf Shaman | Prevent all damage that would be dealt to creature tokens you control. | Mark Winters
Mirko Vosk, Mind Drinker | Legendary Creature | Vampire | Flying
Whenever Mirko Vosk, Mind Drinker deals combat damage to a player, that player reveals cards from the top of their library until they reveal four land cards, then puts those cards into their graveyard. | Chase Stone
Notion Thief | Creature | Human Rogue | Flash
If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card. | Clint Cearley
Melek, Izzet Paragon | Legendary Creature | Weird Wizard | Play with the top card of your library revealed.
You may cast instant and sorcery spells from the top of your library.
Whenever you cast an instant or sorcery spell from your library, copy it. You may choose new targets for the copy. | Jason Chan
Vorel of the Hull Clade | Legendary Creature | Human Merfolk | {G}{U}, {T}: Double the number of each kind of counter on target artifact, creature, or land. | Mike Bierek
Exava, Rakdos Blood Witch | Legendary Creature | Human Cleric | First strike, haste
Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)
Each other creature you control with a +1/+1 counter on it has haste. | Aleksi Briclot
Sire of Insanity | Creature | Demon | At the beginning of each end step, each player discards their hand. | Peter Mohrbacher
Varolz, the Scar-Striped | Legendary Creature | Troll Warrior | Each creature card in your graveyard has scavenge. The scavenge cost is equal to its mana cost. (Exile a creature card from your graveyard and pay its mana cost: Put a number of +1/+1 counters equal to that card's power on target creature. Scavenge only as a sorcery.)
Sacrifice another creature: Regenerate Varolz, the Scar-Striped. | Adam Paquette
Ruric Thar, the Unbowed | Legendary Creature | Ogre Warrior | Vigilance, reach
Ruric Thar, the Unbowed attacks each combat if able.
Whenever a player casts a noncreature spell, Ruric Thar deals 6 damage to that player. | Tyler Jacobson
Zhur-Taa Ancient | Creature | Beast | Whenever a player taps a land for mana, that player adds one mana of any type that land produced. | Adam Paquette