The Silent, Spire Assassin

First strike
Toxic 2

Noxious Fumes—At the beginning of your upkeep, distribute up to three -1/-1 counters
between up to three creatures as you choose
Catalyst—{1}{b}{g}:Triple the number of -1/-1 counters on target creature

A deadly huntress from the foglands. Eradicates foes with daggers and poisons.