Artifact Sanctum [BLLR-EN080] Secret Rare Insect it gains 1000 ATK until

it gains 1000 ATK until the end of the next turn

Set: Legendary Duelists: Ancient Millennium Card type: Effect Monster Rarity: Ultra Rare Attack: 0 Defense: 1400 (Quick Effect): You can discard this card

you do not pay LP to activate its effects

also they cannot be returned to the Deck

Artifact Sanctum [BLLR-EN080] Secret Rare Insect it gains 1000 ATK untilSet: Battles of Legend: Light's Revenge Card type: Normal Trap Rarity: Secret Rare Special Summon 1 "Artifact" monster from your Deck. You can only activate 1 "Artifact Sanctum" per turn. You cannot conduct your Battle Phase the turn you activate this card. If this card in its owner's possession is destroyed by an opponent's card: You can target 1 card on the field; destroy that target.