https://3speak.tv/watch?v=belemo/arpuaynm
You call it Serpentine Spy but I call it Serpie. Despite being cheap and common, I think it is a pretty awesome card that has the ability to be the deciding factor in battles. It combines Speed, precision and its underlying opportunity ability to always strike the vulnerable part of the opponent's team.

At a price only 7cents, it offers decent value for money and is a card I highly recommend. In this video, I employed it in battle and it combined to devastating effect to bring me victory