Requires

Underworld Breach must be on the battlefield. Diligent Excavator must be on the battlefield. Clone must be on the battlefield. Stonecoil Serpent must be in hand. Thassa's Oracle must be in hand, in the graveyard, or in the library. Mana needed:

Steps

1. Cast Stonecoil Serpent from your hand by paying .
2. Diligent Excavator and Clone trigger, causing you to mill four cards.
3. Stonecoil Serpent enters the battlefield and dies as a state-based action due to having zero toughness.
4. Cast Stonecoil Serpent from your graveyard for its escape cost by paying and exiling any three cards from your graveyard, except Thassa's Oracle if it is in your graveyard.
5. Repeat from step 2 until you have an empty library.
6. If Thassa's Oracle is in your hand, cast it by paying .
7. Otherwise, cast Thassa's Oracle from your graveyard for its escape cost by paying and exiling three cards from your graveyard.
8. Thassa's Oracle enters the battlefield, causing you to win the game.

Results