At the time mill decks tended to be mono-blue or white-blue and were all about controlling the environment, using milling as a win condition once control was established
Showing the scientist in his trademark vehicle, this card has his evil inventions visible behind him as he points menacingly forward
To take advantage of its need to see your opponents bleed, running other Bloodthirst-y cards, like Petrified Wood-KinPetrified Wood-Kin, Furyborn HellkiteFuryborn Hellkite, or some spectacle cards like Light Up the StageLight Up the Stage, add some good support
Frenzy This mechanic was made as a mechanic to encourage blocking
From an investors standpoint, Vaporeon ex checks all the boxes: its playable in Water-type decks, fueling enthusiasm among competitive players, and its pull rate is tighter than a sealed sea cavemeaning supply is limited
now thats value