Machine King [EM1-EN001] Ultra Rare Spirit Monster This card cannot be Special

This card cannot be Special Summoned except with "Trial of the Princesses"

Set: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Secret Rare Attack: 1800 Defense: 1900 Activate this effect only during your Battle Step

"Frog" monsters

Set: Duelist Revolution Card type: Counter Trap Rarity: Ultimate Rare Pay 2000 Life Points to negate the Summon of a monster OR the activation of a Spell Card

Machine King [EM1-EN001] Ultra Rare Spirit Monster This card cannot be SpecialSet: Miscellaneous Promotional Cards Card type: Effect Monster Rarity: Ultra Rare Attack: 2200 Defense: 2000 Effect: Increase the ATK of this card by 100 pints for each face up Machine Type monster on the field.