Futureswitch Time Machine

When Futureswitch Time Machine enters the battlefield exile the top fifteen cards from your library.
{5},{t}: Put all cards exiled with Futureswitch
Time Machine onto the battlefield. All non-land permanents untap and all creatures gain haste. Until your next end step if you did not win the game exile half your permanents randomly, lose half your life, tap all permanents you control, they don't untap on your next untap step and exile Futureswitch Time Machine.