Dark Eradicator Warlock [SD6-EN001] Ultra Rare Earth neither player can activate that

neither player can activate that monster's effects while this monster is face-up on the field

in addition to your Normal Summon/Set

Set: Dark Revelation Volume 1 Card type: Effect Monster Rarity: Super Rare Attack: 2800 Defense: 2000 This card cannot be Normal Summoned or Set

Set: Speed Duel: Tournament Pack 5 Card type: Ritual/Effect Monster Rarity: Ultra Rare Attack: 1800 Defense: 1500 You can Ritual Summon this card with "Machine Angel Ritual"

you can discard this card to reduce the Battle Damage you take from 1 of your opponent's attacking monsters to 0

Dark Eradicator Warlock [SD6-EN001] Ultra Rare Earth neither player can activate thatSet: Structure Deck: Spellcaster's Judgment Card type: Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 2100 This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by Tributing 1 "Dark Magician" on your side of the field. While this card is face up on the field, inflict 1000 points of damage to your opponent's Life Points each time either player activates 1 Normal Spell Card.