Each entry gives you a spot on the wheel and you will win 1 of the 100 prizes offered.  Each person can have up to 10 entries on the wheel, giving them 10 prizes, 1 prize per entry.

The worst case scenario is that you get a single pack (Silver Tempest, Astral Radiance or Brilliant Stars) with a V or higher Card.  If you don't get a hit out of your pack you will get a free vintage card.  Best case scenario you will get the top prize of a banger  PSA7 Blastoise.  There will be other PSA/CGC graded slabs as well including a PSA Nidoking Holo.

Prizes are: (See pictures below.)

36 packs of Astral Radiance with card V or higher
36 packs of Silver Tempests with card V or higher
11 packs of Brilliant Stars with card V or higher
 2 Lycanroc vs. Corviknight V Battle Deck
14 PSA or CGC graded Slabs 
 1 Grand Prize - PSA7 Blastoise valued at over $110.

Bonus:  Free Vintage Card if you don't get a V or higher out of your winning pack.

And yes, Bounties are active!