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 on the
field or in the GY. Once per turn: You can target 1 monster your
opponent controls; destroy it. This card cannot attack the turn this
effect is activated.