Jowgen the Spiritualist [LON-061] Rare Spirit/Effect Monster "Swift Gaia the Fierce Knight"

"Swift Gaia the Fierce Knight" or "Gaia the Dragon Champion" on your side of the field attacks a Defense Position monster

These effects last until the end of the Damage Step

Set: Abyss Rising Card type: Xyz/Effect Monster Rarity: Ultra Rare Attack: 2000 Defense: 1700 2 Level 5 Spellcaster-Type monsters This card gains 300 ATK for each Xyz Material attached to a monster you control

Set: Duel Terminal 7 Card type: Effect Monster Rarity: Common Attack: 1000 Defense: 1800 During your Main Phase

Jowgen the Spiritualist [LON-061] Rare Spirit/Effect Monster "Swift Gaia the Fierce Knight"Set: Labyrinth of Nightmare Card type: Effect Monster Rarity: Rare Attack: 200 Defense: 1300 Randomly discard 1 card from your hand to the Graveyard to destroy all Special Summoned monsters on the field. In addition, as long as this card remains face up on the field, no monsters can be Special Summoned.