- This card can be searched by "Dogu", "Single Purchase", "Temple of the Kings", "Dragunity Corsesca", "Transmodify", "Downbeat", "Sangan", "Witch of the Black Forest", "Number 29: Mannequin Cat", "Summon Sorceress", "Painful Escape", "Ties of the Brethren", "Mimiclay", "Serpentine Princess", "Vampire Dragon", "Flamvell Poun", "Rai-Mei", "Shining Angel", "Photon Veil", "Chaos Zone", "Magician's Circle", "Apprentice Magician", "Arnis, the Empowered Warrior", "Dragodies, the Empowered Warrior", "Spellbook Star Hall" and "The Grand Spellbook Tower".
- This card can be used to stop the opponent from conducting OTKs or FTKs revolving around Effect damage, especially those ones that rely on "Firewall Dragon" and "Cannon Soldier".
Traditional Format
- This card can be searched by "Spellbook of Judgment" and "Last Will".