
Deathpact Angel | Creature | Angel | Flying
When Deathpact Angel dies, create a 1/1 white and black Cleric creature token. It has "{3}{W}{B}{B}, {T}, Sacrifice this creature: Return a card named Deathpact Angel from your graveyard to the battlefield." | Jason Chan

Obzedat, Ghost Council | Legendary Creature | Spirit Advisor | When Obzedat, Ghost Council enters the battlefield, target opponent loses 2 life and you gain 2 life.
At the beginning of your end step, you may exile Obzedat. If you do, return it to the battlefield under its owner's control at the beginning of your next upkeep. It gains haste. | Svetlin Velinov

Duskmantle Seer | Creature | Vampire Wizard | Flying
At the beginning of your upkeep, each player reveals the top card of their library, loses life equal to that card's mana value, then puts it into their hand. | Kev Walker

Lazav, Dimir Mastermind | Legendary Creature | Shapeshifter | Hexproof
Whenever a creature card is put into an opponent's graveyard from anywhere, you may have Lazav, Dimir Mastermind become a copy of that card, except its name is Lazav, Dimir Mastermind, it's legendary in addition to its other types, and it has hexproof and this ability. | David Rapoza