Blood Operative
{1}{B}{B}
Creature -- Vampire Assassin
3/1
Lifelink
When ~this~ enters, you may exile target card from a graveyard.
Whenever you surveil, if ~this~ is in your graveyard, you may pay 3 life. If you do, return ~this~ to your hand.
Deathgorge Scavenger
{2}{G}
Creature -- Dinosaur
3/2
Whenever ~this~ enters or attacks, you may exile target card from a graveyard. If a creature card is exiled this way, you gain 2 life. If a noncreature card is exiled this way, ~this~ gets +1/+1 until end of turn.
Grixis Sojourners
{1}{U}{B}{R}
Creature -- Zombie Ogre
4/3
When you cycle ~this~ and when ~this~ dies, you may exile target card from a graveyard.
Cycling {2}{B} ({2}{B}, Discard ~this~: Draw a card.)