Elemental Grace Doriado (Rare)

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by having 6 or more monsters with different Attributes in the GYs. Gains ATK/DEF equal to the number of different Attributes in the GYs x 500. When your opponent would Special Summon a monster(s) (Quick Effect): You can banish 3 monsters from your GY, negate the Summon, and if you do, destroy that monster(s).