Shelgon (7/20) [Black & White: Dragon Vault] 28a You can only use this

You can only use this effect of "Knightmare Mermaid" once per turn

Set: Sun & Moon: Lost Thunder Type: Lightning Rarity: Secret Rare Retreat cost: Colorless

You can only use 1 "Witchcrafter Creation" effect per turn

Set: Spirit Warriors Card type: Fusion/Effect Monster Rarity: Secret Rare Attack: 2400 Defense: 2400 3 "Six Samurai" monsters with different Attributes Must first be Special Summoned (from your Extra Deck) by sending the above cards you control to the GY

inflict 1000 damage to your opponent for each card destroyed

Shelgon (7/20) [Black & White: Dragon Vault] 28a You can only use thisSet: Black & White: Dragon Vault Type: Dragon Rarity: Holo Rare Retreat cost: Colorless,Colorless,Colorless