Use this Strategem when a Grey Knight unit from your Army that is not a Vehicle or a Servitor is chosen as a target for an attack. Until the end of phase, when resolving an attack made against that unit, an unnmodified wound roll of 1-3 always fails, irrespective of any abilities that the weapon or the model making that attack may have.
Use this Stratagem in the Fight phase, when a Grey Knights Paladin unit from your army that has not been chosen to fight with this phase is chosen as the target for an attack. Until the end of that phase, when a model in that unit is destroyed, then before that model is removed from play it can fight as if its unit had been chosen to fight.
Use this Stratagem when a Grey Knights Land Raider model or Grey Knights Storm Raven Gunship model from your army is destroyed. That model can either automatically explode (do not roll a D6), shoot with one of its ranged weapons as if it were your Shooting phase, or make one attack with one of its melee weapons as if it were the Fight phase (use the top row of that model's damage table when shooting with that ranged weapon or resolving that attack with a melee weapon).
Use this Stratagem in the Fight phase. Select one Nemesis Dreadknight unit from your army. Until the end of that phase, add 1 to the Attacks characteristic of that unit, and when resolving an attack made by a model in that unit, you can re-roll a wound roll of 1 and you can re-roll a damage roll of 1.
Use this Stratagem when a Grey Knights unit from your army is set up on the battlefield using the Teleport Strike ability. You can set up that unit anywhere on the battlefield that is more than 3 away from any enemy models instead of 9. If you do, you cannot charge with that unit in this turn.
Use this Stratagem in your Shooting phase, after shooting with a Grey Knights unit from your army. Select one enemy Vehicle or Monster unit that was chosen as a target for that unit's attacks. Until the end of that phase, when resolving an attack made by a model in a friendly Grey Knights unit against that enemy unit, you can re-roll the wound roll.
Use this Stratagem in your Shooting phase, when a Grey Knights Vehicle unit from your army is chosen to shoot with. Until the end of that phase, that unit does not suffer the penalty for moving and firing Heavy weapons.
Use this Stratagem in any phase. Select one Grey Knights Terminator unit from your army. Until the end of that phase, when resolving an attack made by a model in that unit, add 1 to the hit roll.
Use this Stratagem in your Shooting phase, after shooting with a Grey Knights unit from your army. Select one enemy Vehicle or Monster unit that was chosen as a target for that unit's attacks. Until the end of that phase, when resolving an attack made by a model in a friendly Grey Knights unit against that enemy unit, you can re-roll the wound roll.
Use this Stratagem in your Shooting phase, after shooting with a Grey Knights unit from your army. Select one enemy Vehicle or Monster unit that was chosen as a target for that unit's attacks. Until the end of that phase, when resolving an attack made by a model in a friendly Grey Knights unit against that enemy unit, you can re-roll the wound roll.
Use this Stratagem in your Shooting phase, after shooting with a Grey Knights unit from your army. Select one enemy Vehicle or Monster unit that was chosen as a target for that unit's attacks. Until the end of that phase, when resolving an attack made by a model in a friendly Grey Knights unit against that enemy unit, you can re-roll the wound roll.
Use this Stratagem in your Shooting phase, after shooting with a Grey Knights unit from your army. Select one enemy Vehicle or Monster unit that was chosen as a target for that unit's attacks. Until the end of that phase, when resolving an attack made by a model in a friendly Grey Knights unit against that enemy unit, you can re-roll the wound roll.
Use this Stratagem in your Shooting phase, after shooting with a Grey Knights unit from your army. Select one enemy Vehicle or Monster unit that was chosen as a target for that unit's attacks. Until the end of that phase, when resolving an attack made by a model in a friendly Grey Knights unit against that enemy unit, you can re-roll the wound roll.
Use this Stratagem in your Shooting phase, after shooting with a Grey Knights unit from your army. Select one enemy Vehicle or Monster unit that was chosen as a target for that unit's attacks. Until the end of that phase, when resolving an attack made by a model in a friendly Grey Knights unit against that enemy unit, you can re-roll the wound roll.
Use this Stratagem in your Shooting phase, after shooting with a Grey Knights unit from your army. Select one enemy Vehicle or Monster unit that was chosen as a target for that unit's attacks. Until the end of that phase, when resolving an attack made by a model in a friendly Grey Knights unit against that enemy unit, you can re-roll the wound roll.
Use this Stratagem in your Shooting phase, after shooting with a Grey Knights unit from your army. Select one enemy Vehicle or Monster unit that was chosen as a target for that unit's attacks. Until the end of that phase, when resolving an attack made by a model in a friendly Grey Knights unit against that enemy unit, you can re-roll the wound roll.
Use this Stratagem in your Shooting phase, after shooting with a Grey Knights unit from your army. Select one enemy Vehicle or Monster unit that was chosen as a target for that unit's attacks. Until the end of that phase, when resolving an attack made by a model in a friendly Grey Knights unit against that enemy unit, you can re-roll the wound roll.
Use this Stratagem in your Shooting phase, after shooting with a Grey Knights unit from your army. Select one enemy Vehicle or Monster unit that was chosen as a target for that unit's attacks. Until the end of that phase, when resolving an attack made by a model in a friendly Grey Knights unit against that enemy unit, you can re-roll the wound roll.
Use this Stratagem in your Shooting phase, after shooting with a Grey Knights unit from your army. Select one enemy Vehicle or Monster unit that was chosen as a target for that unit's attacks. Until the end of that phase, when resolving an attack made by a model in a friendly Grey Knights unit against that enemy unit, you can re-roll the wound roll.