Symphonic Warrior DJJ [DIFO-EN021] Common

If this card is Normal or Special Summoned: You can Special Summon 1 "Symphonic Warrior" monster from your Deck in face-down Defense Position, except "Symphonic Warrior DJJ", or, if "Symph Amplifire" is in your Field Zone, you can Special Summon 1 "Symphonic Warrior" monster from your Deck instead, except "Symphonic Warrior DJJ", but negate its effects. You can only use this effect of "Symphonic Warrior DJJ" once per turn.