Magnus Smith Trap

A Dragon set-up without …Bg7 is one careless capture away from losing the queen on f7.

Sicilian Defence, Classical — Black falls in with dxe5

Trap data: Wikipedia — Sicilian Defence, Magnus Smith Trap (CC BY-SA 4.0); Lichess chess-openings (Sicilian Defense: Magnus Smith Trap, ECO B57) (CC0-1.0).