Altergeist Protocol [MP18-EN151] Super Rare Fiend You can only use this

You can only use this effect of "Artifact Mjolnir" once per turn

Set: Destiny Soldiers Card type: Normal Spell Rarity: Super Rare Destroy all monsters on the field

Set: Duelist Saga Card type: Effect Monster Rarity: Ultra Rare Attack: 4000 Defense: 4000 Cannot be Normal Summoned or Set

Set: Structure Deck: Yugi Muto Card type: Effect Monster Rarity: Common Attack: 1900 Defense: 1700 Each time a Spell Card is activated

Altergeist Protocol [MP18-EN151] Super Rare Fiend You can only use thisSet: 2018 Mega Tins Mega Pack Card type: Continuous Trap Rarity: Super Rare The activation and effects of "Altergeist" cards activated on your field cannot be negated. When your opponent activates a monster effect: You can send 1 other face up "Altergeist" card you control to the GY; Negate the activation, and if you do, destroy it. You can only use this effect of "Altergeist Protocol" once per turn.