Virulent Silencer

悪（あく）性（せい）の黙（だま）らせ屋（や）

Artifact Creature — Robot Assassin

Whenever a nontoken artifact creature you control deals combat damage to a player, that player gets two poison counters. (A player with ten or more poison counters loses the game.)

2/3

Nano-infectant: A category-Phi substance, capable of infecting both organics and artificials. Weaponizing it is a war crime.