You can only use the 1st, 2nd, and 3rd effect of this card’s name each once per turn.
(1) During your Main Phase: You can add 1 “Red Dragon Archfiend”, or 1 card that mentions it except “Crimson Gaia”, from your Deck or GY to your hand.
(2) When your “Red Dragon Archfiend” declares an attack: You can change all monsters your opponent controls to face-down Defense Position.
(3) If a monster(s) on the field is destroyed by battle or card effect: You can Special Summon 1 “Red Dragon Archfiend” from your GY.