Dominaria

Demonlord Belzenlok | Legendary Creature | Elder Demon | Flying, trample When Demonlord Belzenlok enters the battlefield, exile cards from the top of your library until you exile a nonland card, then put that card into your hand. If the card's mana value is 4 or greater, repeat this process. Demonlord Belzenlok deals 1 damage to you for each card put into your hand this way. | Tyler Jacobson

Feral Abomination | Creature | Thrull | Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) | Darek Zabrocki

Lingering Phantom | Creature | Spirit | Whenever you cast a historic spell, you may pay {B}. If you do, return Lingering Phantom from your graveyard to your hand. (Artifacts, legendaries, and Sagas are historic.) | YW Tang

Urgoros, the Empty One | Legendary Creature | Specter | Flying Whenever Urgoros, the Empty One deals combat damage to a player, that player discards a card at random. If the player can't, you draw a card. | Daarken

Muldrotha, the Gravetide | Legendary Creature | Elemental Avatar | During each of your turns, you may play a land and cast a permanent spell of each permanent type from your graveyard. (If a card has multiple permanent types, choose one as you play it.) | Jason Rainville