The Scarab God | Mirror-Mad Phantasm | Thassa's Oracle

Cards

The Scarab God on the battlefield.
Mirror-Mad Phantasm in your graveyard.
Thassa's Oracle in hand or in your graveyard or in your library.
You have a way to draw a card.
({3} magic symbol) ({U} magic symbol) ({U} magic symbol) ({B} magic symbol) plus an additional ({2} magic symbol) ({U} magic symbol) ({B} magic symbol) available if
Thassa's Oracle is not in hand, or an additional ({U} magic symbol) ({U} magic symbol) otherwise available.

Activate
The Scarab God by paying ({2} magic symbol) ({U} magic symbol) ({B} magic symbol) , exiling
Mirror-Mad Phantasm and creating a copy of it, except it's a 4/4 black Zombie.
Activate the
Mirror-Mad Phantasm token by paying ({1} magic symbol) ({U} magic symbol) , shuffling it into your library, revealing all cards in your library and putting them into your graveyard.
If
Thassa's Oracle is not in your hand, activate
The Scarab God by paying ({2} magic symbol) ({U} magic symbol) ({B} magic symbol) , exiling
Thassa's Oracle and creating a copy of it, except it's a 4/4 black Zombie.
If
Thassa's Oracle is in your hand, cast it by paying ({U} magic symbol) ({U} magic symbol) .
Thassa's Oracle enters the battlefield, causing you to win the game.