The informational card at the end of the trailer states that none of the cards will be usable in official tournament play aside from the base energy cards
A loose guide for grading whitening would be something like: No whitening - GM 10 1 to 2 spots of whitening - 9 Mint 3 spots of whitening - 8 Mint/Near Mint 4 or 5 spots of whitening - 7 Near Mint All 4 sides have whitening - 6 or below Color boarder cards have a hard time gem minting compared to cards with white/grey (think modern) borders since things like silvering/whitening are much less noticeable
The second is to be a sweeper of big creatures that can foil your plans
If a player has 10 or less life, and Ezio deals combat damage to them, you can pay WUBRG (one of each color)
Pokmon program in order to earn points and awards
ACE SPEC cards, however, are much stronger than average, and, as such, there is a limit to only one ACE SPEC card per deck