The Wicked Dreadroot [JUMP-EN018] Ultra Rare Light You can only use this

You can only use this effect of "Invocation" once per turn

he must first contend the Solar War

Set: Shadows in Valhalla Card type: Effect Monster Rarity: Secret Rare Attack: 1800 Defense: 2000 Unaffected by your opponent's Spell effects

Set: Legendary Collection 2 Card type: Normal Monster Rarity: Secret Rare Attack: 1000 Defense: 1000

The Wicked Dreadroot [JUMP-EN018] Ultra Rare Light You can only use thisSet: Shonen Jump Magazine Promos Card type: Effect Monster Rarity: Ultra Rare Attack: 4000 Defense: 4000 This card cannot be Special Summoned. This card cannot be Normal Summoned or Set except by Tributing 3 monsters. Halve the ATK and DEF of all monsters on the field, except this card.