Use this Tactical Ploy in the Select a Kill Team step, when selecting your kill team. Change one of your Chapter Tactics abilities (pg 3) for the battle to another from the same category. You can only use this Tactical Ploy once per battle.
Use this Tactical Ploy in the Roll Defence Dice step of a shooting attack, after rolling defence dice for a friendly INTERCESSION SQUAD💀 operative. You can retain one of your successful normal saves as a critical save instead.
Use this Tactical Ploy when a friendly INTERCESSION SQUAD💀 operative is incapacitated. Before that operative is removed from the killzone, it can perform a free Shoota action. Unless otherwise specified, the operative would be injured for this.
Use this Tactical Ploy at the end of the Firefight phase. Select one friendly INTERCESSION SQUAD💀 operative to perform a free Fight action.