Harfang, Lightfoot Scoundrel

Double Strike, haste
Sneak Attack — Whenever Harfang, Lightfoot Scoundrel attacks, roll a d20.
1-10 | Harfang, Lightfoot Scoundrel losses
Double Strike until end of turn.
11-20 | Harfang, Lightfoot Scoundrel gets +1/-1
until end of turn