Codex: Chaos Space Marines (2007), p93 — Plaguebringer (Lord with Mark of Nurgle)

Encrusted with filth, a Plaguebringer carries a deadly contagion that can fell even the toughest foe. A model with a Plaguebringer has Poisoned Attacks that wound on a 4+ (see the Warhammer 40,000 rulebook).