WISDOM OF THE ANCIENTS

In your Command phase. Select one ADEPTUS ASTARTES DREADNOUGHT model from your army. Until the start of your next Command phase, that model gains either the Rites of Battle ability or the Tactical Precision ability, as shown below:
Rites of Battle (Aura): While a friendly CORE unit is within 6" of this model, each time a model in that unit makes an attack, re-roll a hit roll of 1.
Tactical Precision (Aura): While a friendly CORE unit is within 6" of this model, each time a model in that unit m