Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by revealing "Blue-Eyes White Dragon" in your hand. You can only Special Summon "Blue-Eyes Alternative White Dragon" once per turn this way. This card's name becomes "Blue-Eyes White Dragon" while it is on the field or in the Graveyard. Once per turn: You can target 1 monster your opponent controls; destroy it. This card cannot attack the turn this effect is activated.
When this card destroys a monster by battle and sends it to the Graveyard: Gain Life Points equal to the original ATK of that destroyed monster in the Graveyard.
When you draw this card: You can reveal this card; Special Summon it from your hand. If this card battles a DARK monster, its ATK is doubled during the Damage Step only. If this card is destroyed by battle or card effect: You can Special Summon 1 "Dark Magician" from your hand, Deck, or Graveyard.
The equipped monster gains 800 ATK/DEF for each face-up monster you control.