[SPWR] The Phantom Knights of Crack Helm

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