Although there have been reports of 60/40 on the front and 75/25 on the back getting PSA 10s but I suspect these are cheap cards that PSA doesn't mind handing out 10s for or card has GM10 standard met for all other aspects of the card
How To Take Turns In Pokmon At the start of each turn, the active player draws one card from the top of their deck, if you run out of cards in your deck and can't draw on your next turn you automatically lose the game
Low risk, high reward Hydreigons low Energy requirements make it easy to power up other Dark types, and as such, in case you lose it, you mostly only do so after inflicting a minimum of 130 DMG, and you have another attacker ready to go
It also has many other uses due to its useful PokePower
[325] Pokmon Go reached the milestone of $600 million in revenue after only 90 days on the market, becoming the fastest mobile game ever to do so
Even better is that when it enters the battlefield or attacks, you get to exile cards from any graveyard, draining your opponent for each creature exiled this way