supreme_focus_3.xml

<statusEffects>
  <statusEffect>
    <turns>10</turns>
    <name>Supreme Focus</name>
    <key>supreme_focus_3</key>
    <reduceOnStartOfTurn>true</reduceOnStartOfTurn>
    <modifiers>
      <modifiers>
        <type>OnTurnEnergyRecovery</type>
        <amount>20.0</amount>
      </modifiers>
    </modifiers>
    <triggers>
      <triggers>
        KEY supreme_focus_attacked_3;
        WHEN PlayerIsAttacked;

        THEN ReduceStatusEffect -> keyRegex:supreme_focus_\\d, turns:2;
      </triggers>
    </triggers>
  </statusEffect>
</statusEffects>