Dual Avatar Feet - Kokoku (Super Rare)

If this card is Normal or Special Summoned: You can add 1 Dual Avatar Trap from your Deck to your hand. During your opponent's turn, if a face-up Dual Avatar monster(s) you control, except Dual Avatar Feet - Kokoku, is destroyed by battle or card effect: You can Special Summon this card from your hand, then you can apply this effect.
* Destroy 1 Dual Avatar monster you control, and if you do, Special Summon 1 Dual Avatar Fusion Monster from your Extra Deck.
You can only use each effect of Dual Avatar Feet - Kokoku once per turn.