I'd sell my soul for: with X

• Xylophone

  Musical instrument; you might trade your soul to jam on it all day 🎶

• xbox

  Gaming console dream—many kids would sign in blood 🎮

• xray

  Magical power to see anything with perfect X-ray vision!

• Xerox

  Endless free photocopies; office workers’ secret fantasy 📄

The words in the list I'd sell my soul for: with X come from players of the word game Categories game.