Darkness Energy 142 Aquapolis - Rare Condition:Lightly Played You can only activate 1

You can only activate 1 "Spellbook of the Master" per turn

This card can attack monsters a number of times each Battle Phase

This card cannot be Special Summoned except by having 4 or more "Lightsworn" monsters with different names in your Graveyard

this attack does nothing

but has a terrific defense backed by mystical power

Darkness Energy 142 Aquapolis - Rare Condition:Lightly Played You can only activate 1RarityRare Card TypeEnergy FormSpecial Evolves from null RuleIf the Pokmon Darkness Energy is attached to damages the Defending Pokmon (after applying Weakness and Resistance), the attack does 10 more damage to the Defending Pokmon. At the end of every turn, put 1 damage counter on the Pokmon Darkness Energy is attached to, unless it's Darkness or has Dark in its name. Darkness Energy provides Darkness Energy. (Doesn't count as a basic Energy card.)