Futurist Spellthief (YNEO)

Flash
When Futurist Spellthief enters the battlefield, conjure a duplicate of target spell into your hand. That card perpetually gains "You may spend mana as though it were mana of any color to cast this spell."

Legalities

• brawl: banned
• commander: legal
• legacy: legal
• modern: legal
• pauper: legal
• pioneer: banned
• standard: banned
• vintage: legal

Links

• Scryfall
• Gatherer