1. Yes, it has potential. Due to a strong poke-power, good attack and OK HP.
2. Cursegar, aswell as Speedgar, + Mother Gengar I belive? Basically any Gengar deck.
3. Spread decks, and ofc Gengar variants.
4. I give it 4/5, it has a bad weakness now that Tyranitar Prime is a decent deck. It...