The Phantom Knights of Cloven Helm (WIRA-EN004) [Wing Raiders]

If a "Phantom Knights" card(s) is sent to your Graveyard: This card gains 500 ATK. You can banish this card from your Graveyard; during the End Phase of this turn, add 1 "Phantom Knights" card from your Graveyard to your hand. You can only use each effect of "The Phantom Knights of Cloven Helm" once per turn.