Branches of Montesquieu

Creatures with the highest power on the battlefield for each player get +4/+4, vigilance, trample, haste, and indestructible. All creatures you control get +3/+3.
{1}{1}{p/c}{p/c}{b}{g}{r}{u}{w}: Sacrifice Three Branches of Montesquieu at the beginning of your end step. Destroy all creatures.