You can Set this card from your hand to your Spell & Trap Card Zone as a Spell Card. When this Set card in your Spell & Trap Card Zone is destroyed and sent to the Graveyard during your opponent's turn: Special Summon this card. During your opponent's turn, when an 'Artifact' monster is Special Summoned: Draw 1 card. You must control this face-up card to activate and to resolve this effect. You can only control 1 'Artifact Caduceus'.
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