High Elven Army

At the beginning of each upkeep put a 5/5 elven creature with hexproof and defender.
{5}{w}{w}: Deal one damage for each elf you have on the battlefield.
{4}{w}:You gain one life for each creature on the battlefield.
{10}{w}{w}: Until the end of turn, elf creatures with defender gain vigilance and indestructible, and lose defender.
Magic can beat any army