Moonlace

Instant, U (1)
Target spell or permanent becomes colorless.
Once a vision of constancy in the sky, the moon had long been hidden from view by the haze that chokes the heavens. The very sight of it had become a sign that change was in the air.
Illus. Mike Dringenberg

Gatherer Card Rulings [Nov 2009]

• 9/25/2006: Moonlace's effect doesn't wear off.
• 9/25/2006: If Moonlace is cast on a spell that becomes a permanent (a creature spell, an artifact spell, or an enchantment spell), the permanent will enter the battlefield colorless and will remain colorless until it leaves the battlefield (or until another effect changes its color).

Format Legality	Legal in Vintage, Legacy, Extended, MTGO Classic Banned in Standard
Printings (1/9)	Time Spiral (Rare)