Mount Olympus

While you control at least one Throne, Mount Olympus has Ward - exile all permanents.
While you control at least three Thrones,
Olympians you control have Ward - pay 5 life.
While you control at least six Thrones, Mount Olympus has "Whenever a permanent enters,
each opponent loses 2 life."

When you control twelve Thrones and twelve Olympians, you win the game.