savage_efficiency_status.xml

<statusEffects>
  <statusEffect>
    <name>Savage Efficiency</name>
    <key>savage_efficiency_status</key>
    <icon>savage_efficiency</icon>
    <allowMany>false</allowMany>
    <hasTurns>false</hasTurns>
    <modifiers>
      <modifiers>
        <type>MeleeCostReduction</type>
        <amount>0.25</amount>
      </modifiers>
      <modifiers>
        <type>RangedCostReduction</type>
        <amount>0.25</amount>
      </modifiers>
    </modifiers>
  </statusEffect>
</statusEffects>