Winged Kuriboh LV6 (Secret Rare)

(This card is always treated as an Elemental HERO and Favorite card.)
Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand or GY) by banishing 1 Elemental HERO Fusion Monster or 1 Winged Kuriboh from your hand, face-up field, or GY. You can only Special Summon Winged Kuriboh LV6 once per turn this way. When an opponent's monster declares an attack, or when your opponent activates a monster effect on the field (Quick Effect): You can Tribute this card; destroy that monster, and if you do, inflict damage to your opponent equal to its original ATK.