All Cards are Reprints & Ultimate Rare

26GE-JP101 Graceful Charity
26GE-JP102 Pot of Greed
26GE-JP103 Heavy Storm
26GE-JP104 Card of Safe Return
26GE-JP105 Mirage of Nightmares

Every round you win, you get another pack. 1 card per pack.

3 Rounds: 1 Packs Total
5 Rounds: 2 Packs Total
7 Rounds: 3 Packs Total
8 Rounds: 4 Packs Total
9 Rounds: 5 Packs Total
Event Winner: 6 Packs

Source: The Official Website