Fog King [OP02-EN001] Ultimate Rare Shadows in Valhalla ) You can only use

) You can only use each effect of "Mithra the Thunder Vassal" once per turn

Set: Shadows in Valhalla Card type: Quick Play Spell Rarity: Secret Rare Neither player can activate cards or effects in response to this card’s activation

When this card is Normal Summoned

You can only use this effect of "Speedroid Terrortop" once per turn

Fog King [OP02-EN001] Ultimate Rare Shadows in Valhalla ) You can only useSet: OTS Tournament Pack 2 Card type: Effect Monster Rarity: Ultimate Rare Attack: 0 Defense: 0 You can Tribute 1 monster, or no monsters, to Normal Summon (but not Set) this card. The ATK of this card becomes the combined original ATK of the Tributed monsters. Neither player can Tribute cards.