The original Lair of the Hydra appeared in Adventures in the Forgotten Realms Promos, in 2021.
The original art was by Johannes Voss.
Modern Horizons 3 Commander
Adventures in the Forgotten Realms Promos
Adventures in the Forgotten Realms Promos
Adventures in the Forgotten Realms Promos
Adventures in the Forgotten Realms
Adventures in the Forgotten Realms