Ferric Blight

WHEN: Your Shooting or Fight phase.
TARGET: One Death Guard unit from your
army that has not been selected to shoot/fight
this phase.
EFFECT: Until the end of the phase, each time a
model in your unit makes an attack, improve the
AP characteristic of that attack by 1. If the target
of that attack is within Contagion Range of an
Infected objective marker you control and a
Critical Wound is scored for that attack, improve
the AP characteristic of that attack by 2 instead.