It's no surprise that this move is a novelty. Players with Black are often terrified at the prospect of losing the bishop on b4 and capturing the knight on c3 as soon as it's no longer pinned.
1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. b1c3  3... f8b4  4. g1f3  4... b7b6  5. d1b3  5... a7a5  6. g2g3  6... c8b7  7. f1g2  7... d7d6  8. e1g1 