Gate Guardian [MRD-000] Secret Rare 1st Edition when an opponent's monster activates

when an opponent's monster activates its effect (Quick Effect): You can detach 2 materials from this card

Set: Shonen Jump Magazine Promos Card type: Normal Trap Rarity: Ultra Rare Pay half your Life Points

inflict damage to your opponent equal to the destroyed monster's ATK on the field

Set: Duel Terminal 4 Card type: Continuous Trap Rarity: Common Either player can pay 800 Life Points to negate the Special Summon of a monster(s)

Set: Anniversary Pack Card type: Normal Monster Rarity: Ultra Rare Attack: 1800 Defense: 2000

Gate Guardian [MRD-000] Secret Rare 1st Edition when an opponent's monster activatesSet: Metal Raiders Card type: Effect Monster Rarity: Secret Rare Attack: 3750 Defense: 3400 This card cannot be Normal Summoned or Set. This can only be Special Summoned by Tributing "Sanha of the Thunder", "Kazejin" and "Sizijin".