a solid repertoire for Black
The modern Scandinavian: 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 — one sturdy setup against everything (…Nf6, …a6, …Bf5/…Bg4, …c6, …e6, …Nbd7, …Be7/…g6, castling). The queen is safe on d6, and the structure is Caro-like without the theory.