When an opponent’s monster declares an attack: You can Special Summon this card from your hand in Defense Position, and if you do, it cannot be destroyed by battle. If this card is Special Summoned: You can add from your Deck to your hand 1 «Polymerization» or 1 Spell/Trap that mentions an «Elemental HERO» monster’s card name. During your Main Phase: You can shuffle this card into the Deck, and if you do, Special Summon 1 «Elemental HERO» Normal Monster from your Deck. You can only use each effect of «Elemental HERO Spirit of Neos» once per turn.