Send 1 Phantom Knights Spell Trap from your Deck to the GY. When an opponent s monster declares a direct attack while you control no cards and this card is in your GY: Special Summon this card in Defense Position as an Effect Monster (Warrior DARK Level 4 ATK 300 DEF 600), but banish it when it leaves the field. (This card is NOT treated as a Trap.) If Summoned this way, this card gains 300 DEF for each Phantom Knights Spell Trap in your GY.