How about a fantasy draft pvp? Where the playing field is a leveled as possible. Somthing like a pool of pvp picked pokemon by a moderator or host. Then the competitors take turn in a fantasy draft style picking each pokemon until a team is formed. Everyone competes until there is a clear winner!
1st place Shiny Pvp Poke Untrained, 30 day Ms, Cc' 200k
2nd place Small Ms, Cc, 100k
3rd place small ms, 50k