Unless some of the Legendary and Mythical pokemon remain in space, it's a tie. Let's say that one of the lions fatally wound Yveltal. Yveltal will then absorb all the life energy (I.E. kill everything) on earth, resulting in a tie.
"For the love of money is the root of all of evil: which while some coveted after, they have erred from the faith, and pierced themselves through with many sorrows." -1 Timothy 6:10 of the King James Bible.
