User blog comment:Pokemon Trainer Lion/Pokemon Battle Royale-MEGA REMATCH/@comment-12846745-20160221040151/@comment-26030372-20160221065104

Ok, I did my research for this...

Blastoise wins 24% of the time

So he's doomed. It'll be either Venusaur or Charizard depending on if Thick Fat'll save Venusaur or not.