Cognis Overwatch

Use this Stratagem before an ADEPTUS
MECHANICUS unit from your army fires
Overwatch. Cognis weapons are fired
using the firing models Ballistic Skill when
resolving these attacks. For the purposes
of this Stratagem, a cognis weapon is any
weapon profile whose name includes the
word COGNIS (e.g. cognis heavy stubber, twin
cognis lascannon).