Thestalos the Firestorm Monarch [RDS-EN021] Super Rare BW37 You can only activate 1

You can only activate 1 "Spellbook of Knowledge" per turn

Set: Structure Deck: Dragons Collide Card type: Effect Monster Rarity: Common Attack: 2300 Defense: 2000 Cannot be Normal Summoned or Set

) The original ATK of this card is equal to 1000 x the number of Fusion Material Monsters used to Special Summon it

you can add 1 "Blackwing" monster from your Deck to your hand that has less ATK than that monster

You can only use each effect of "Darklord Amdusc" once per turn

Thestalos the Firestorm Monarch [RDS-EN021] Super Rare BW37 You can only activate 1Set: Rise of Destiny Card type: Effect Monster Rarity: Super Rare Attack: 2400 Defense: 1000 When this card is Tribute Summoned successfully, randomly discard 1 card from your opponent's hand to the Graveyard. If the discarded card was a Monster Card, inflict damage to your opponent's Life Points equal to the Level of the monster x 100 points.