When Blood Operative enters the battlefield, you may exile target card from a graveyard.
Whenever you surveil, if Blood Operative is in your graveyard, you may pay 3 life. If you do, return Blood Operative to your hand.
3 /
1
{B}
Coat with Venom
Instant
Target creature gets +1/+2 and gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)
{2}{B}
Dark Impostor
Creature - Vampire Assassin
{4}{B}{B}: Exile target creature and put a +1/+1 counter on Dark Impostor.
Dark Impostor has all activated abilities of all creature cards exiled with it.
2 /
2
{1}{B}
Eternal Thirst
Enchantment - Aura
Enchant creature
Enchanted creature has lifelink and "Whenever a creature an opponent controls dies, put a +1/+1 counter on this creature." (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)
{2}{B}
Eyeblight Assassin
Creature - Elf Assassin
When Eyeblight Assassin enters the battlefield, target creature an opponent controls gets -1/-1 until end of turn.
2 /
2
{2}{B}{B}
Eyeblight Massacre
Sorcery
Non-Elf creatures get -2/-2 until end of turn.
{1}{B}
Grave Strength
Sorcery
Choose target creature. Mill three cards, then put a +1/+1 counter on that creature for each creature card in your graveyard.
{2}{B}
Hired Blade
Creature - Human Assassin
Flash (You may cast this spell any time you could cast an instant.)
3 /
2
{B}
Hired Poisoner
Creature - Human Assassin
Deathtouch
1 /
1
{3}
Leonin Bladetrap
Artifact
Flash (You may cast this spell any time you could cast an instant.)
{2}, Sacrifice Leonin Bladetrap: It deals 2 damage to each attacking creature without flying.
{3}{B}{B}
Massacre Girl
Legendary Creature - Human Assassin
Menace
When Massacre Girl enters the battlefield, each other creature gets -1/-1 until end of turn. Whenever a creature dies this turn, each creature other than Massacre Girl gets -1/-1 until end of turn.
4 /
4
{2}{B}
Mephitic Vapors
Sorcery
All creatures get -1/-1 until end of turn.
Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
{3}{B}
Mer-Ek Nightblade
Creature - Orc Assassin
Outlast {B} ({B}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.)
Each creature you control with a +1/+1 counter on it has deathtouch.
2 /
3
{3}{B}
Price of Fame
Instant
This spell costs {2} less to cast if it targets a legendary creature.
Destroy target creature.
Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
{B}
Ruthless Ripper
Creature - Human Assassin
Deathtouch
Morph--Reveal a black card in your hand. (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
When Ruthless Ripper is turned face up, target player loses 2 life.
1 /
1
{B}{B}
Sorin's Thirst
Instant
Sorin's Thirst deals 2 damage to target creature and you gain 2 life.
{2}{B}
Stab Wound
Enchantment - Aura
Enchant creature
Enchanted creature gets -2/-2.
At the beginning of the upkeep of enchanted creature's controller, that player loses 2 life.
{1}{B}
Thrill-Kill Assassin
Creature - Human Assassin
Deathtouch
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.)
1 /
2
{2}{B}
Vraska's Finisher
Creature - Gorgon Assassin
When Vraska's Finisher enters the battlefield, destroy target creature or planeswalker an opponent controls that was dealt damage this turn.