Artifact Labrys

You can Set this card from your hand to your Spell & Trap Card Zone as a Spell Card. During your opponent's turn, when this Set card in your Spell & Trap Card Zone is destroyed and sent to your Graveyard: Special Summon it. When an "Artifact" card(s) is destroyed and sent to your Graveyard (except during the Damage Step): You can Special Summon this card from your hand.