Pernicious Deed [Conspiracy] 98b You can only use this

You can only use this effect of "Fossil Warrior Skull Knight" once per turn

If a Spell/Trap Card is activated in this card's column (except during the Damage Step): You can Special Summon 1 Level 4 or lower "Magical Musket" monster from your Deck in Defense Position

you can make all monsters you currently control become all Level 4 or all Level 5

Set: Visions Type: Land Rarity: Uncommon {T}: Add {C}

Set: Gold Series 3 Card type: Normal Spell Rarity: Gold Rare Attack: 0 Defense: 0 Destroy the face-up monster your opponent controls with the highest DEF

Pernicious Deed [Conspiracy] 98b You can only use thisSet: Conspiracy Type: Enchantment Rarity: Mythic Cost: {1}{B}{G} {X}, Sacrifice Pernicious Deed: Destroy each artifact, creature, and enchantment with mana value X or less. "Yawgmoth," Freyalise whispered as she set the bomb, "now you will pay for your treachery."