You can only activate 1 "Spellbook of Fate" per turn
Set: World Superstars Card type: Effect Monster Rarity: Secret Rare Attack: 1200 Defense: 1800 If this card is Normal or Special Summoned: You can add 1 "Polymerization" from your Deck to your hand
Return that "Mist Valley" card to your hand and negate that activation and destroy the card
If the summoned monster is destroyed
Set: Duelist League Promo Card type: Normal Monster Rarity: Rare Attack: 200 Defense: 300
Elemental Hero Divine Neos [CSOC-EN098] Secret Rare ARC156-C You can only activate 1Set: Crossroads of Chaos Card type: Fusion Effect Monster Rarity: Secret Rare Attack: 2500 Defense: 2500 This card cannot be Special Summoned except by a Fusion Summon of any 5 "Neos", "Neo Spacian", "Elemental Hero", "Destiny Hero" or "Evil Hero" monsters including at least 1 "Neos" monster, 1 "Neo Spacian" monster and 1 "Hero" monster. Once per turn, you can remove from play 1 "Neos", "Neo Spacian", "Elemental Hero", "Destiny Hero" or "Evil Hero"