COMMAND RE-ROLL

WHEN:
In any phase, just after you have made a Hit roll,
a Wound roll, a Damage roll, a saving throw, an
Advance roll, a Charge roll, a Desperate Escape
test, a Hazardous test, or just after you have
rolled the dice to determine the number of
attacks made with a weapon, for an attack,
model or unit from your army.
EFFECT:
You re-roll that roll, test or saving throw.