Card Rulings:Heroic Champion - Gandiva

OCG Rulings

 * Even if two or more level 4 or lower monsters are Special Summoned simultaneously to the opponent's side of the field, the effect of "Heroic Champion - Gandiva" can be activated. (In this case, all the level 4 or lower monsters that were Special Summoned simultaneously to the opponent's side of the field are destroyed). Also, even if two or more level 4 or lower monsters along with level 5 or higher monsters are Special Summoned simultaneously to the opponent's side of the field, the effect of "Heroic Champion - Gandiva" can be activated. (In this case, only the level 4 or lower monsters that were Special Summoned to the opponent's side of the field are destroyed. The level 5 or higher monsters are not destroyed.