Massacre Girl, Known Killer | Legendary Creature | Human Assassin | Menace
Creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)
Whenever a creature an opponent controls dies, if its toughness was less than 1, draw a card. | Billy Christian
5 LSV
Vein Ripper | Creature | Vampire Assassin | Flying
Ward—Sacrifice a creature.
Whenever a creature dies, target opponent loses 2 life and you gain 2 life. | Bastien L. Deharme
5 LSV
Tomik, Wielder of Law | Legendary Creature | Human Advisor | Affinity for planeswalkers (This spell costs {1} less to cast for each planeswalker you control.)
Flying, vigilance
Whenever an opponent attacks with creatures, if two or more of those creatures are attacking you and/or planeswalkers you control, that opponent loses 3 life and you draw a card. | Valera Lutfullina
Etrata, Deadly Fugitive | Legendary Creature | Vampire Assassin | Deathtouch
Face-down creatures you control have "{2}{U}{B}: Turn this creature face up. If you can't, exile it, then you may cast the exiled card without paying its mana cost."
Whenever an Assassin you control deals combat damage to an opponent, cloak the top card of that player's library. | Livia Prima
4 LSV
Rakdos, Patron of Chaos | Legendary Creature | Demon | Flying, trample
At the beginning of your end step, target opponent may sacrifice two nonland, nontoken permanents. If they don't, you draw two cards. | Joshua Raphael
5 LSV