Argent Sphinx [Scars of Mirrodin]

Set: Scars of Mirrodin Type: Creature — Sphinx Rare Cost: {2}{U}{U} Flying Metalcraft — {U}: Exile Argent Sphinx. Return it to the battlefield under your control at the beginning of the next end step. Activate this ability only if you control three or more artifacts. A great mirage, a dream of wings and silver.