Big Shield Gardna [LCYW-EN032] Secret Rare Conspiracy its effect cannot be activated

its effect cannot be activated this turn

I didn't mean this

Set: Celebration Cards Type: Summon — Dragon Rarity: Rare Cost: {6}{R}{R}{R} When Shichifukujin Dragon comes into play

goblin sergeant

destroy target artifact

Big Shield Gardna [LCYW-EN032] Secret Rare Conspiracy its effect cannot be activatedSet: Legendary Collection 3: Yugi's World Card type: Effect Monster Rarity: Secret Rare Attack: 100 Defense: 2600 During either player's turn, when this face down card (and no other cards) is targeted by a Spell Card: Change this card to face up Defense Position, and if you do, negate the Spell Card's activation. If this card is attacked, change it to Attack Position at the end of the Damage Step.