Spellbook of Power [AP02-EN003] Ultimate Rare 017 ) [When Attacking] You may

) [When Attacking] You may play 1 Digimon card with [Sistermon] in its name from your hand without paying its memory cost

including at least 1 "Artorigus" monster and 1 "Laundsallyn" monster

and claw your way to the top of the food chain

Set: Structure Deck: Synchron Extreme Card type: Quick Play Spell Rarity: Common Select 1 Spell/Trap Card you control and 1 Spell/Trap Card your opponent controls

Spellbook of Power [AP02-EN003] Ultimate Rare 017 ) [When Attacking] You maySet: Astral Pack 2 Card type: Normal Spell Rarity: Ultimate Rare Target 1 Spellcaster Type monster you control; until the End Phase, it gains 1000 ATK. Also, until the End Phase, each time it destroys an opponent's monster by battle: You can add 1 "Spellbook" Spell Card from your Deck to your hand. You can only activate 1 "Spellbook of Power" per turn.