Activate Mirage Mirror by paying , causing it to become a copy of Mirror-Mad Phantasm until end of turn.
Activate Mirage Mirror by paying , shuffling Mirage Mirror into your library and milling your entire library due to it not having a card named Mirror-Mad Phantasm in it.
Precisa: Angel of Destiny does not have summoning sickness. Opponents are unable to block and kill Angel of Destiny. Your life total is at least 11 greater than your starting life total plus an additional 2 life for each opponent beyond the first. You have no more than three opponents.
Deal combat damage to an opponent using Angel of Destiny.
Angel of Destiny's first ability triggers, causing you and the opponent to gain life equal to the damage dealt.
Move to your postcombat main phase.
Cast Seize the Day by paying , untapping Angel of Destiny and causing you to get an additional combat and main phase after this one.
Repeat steps 1 through 3 one additional time, attacking a different opponent.
Cast Seize the Day from your graveyard for its flashback cost by paying , untapping Angel of Destiny and causing you to get an additional combat and main phase after this one.
Repeat steps 1 through 3 one additional time, attacking a different opponent.
At the beginning of your end step, Angel of Destiny triggers, causing each opponent it attacked this turn to lose the game.