Grolnok, the Omnivore, Cephalid Illusionist, Lightning Greaves, and Thassa's Oracle

Prerequisites

• Grolnok, the Omnivore on the battlefield
• Cephalid Illusionist on the battlefield
• Lightning Greaves on the battlefield
• Thassa's Oracle in exile or in the library
• available

Steps

1. Activate Lightning Greaves by paying , attaching it to Cephalid Illusionist
2. Cephalid Illusionist triggers, causing you to mill three cards
3. Whenever a permanent card is put into your graveyard, exile it with a croak counter
4. Activate Lightning Greaves by paying , attaching it to Grolnok
5. Repeat step 1 through 4 until your devotion to blue is greater than or equal to the number of cards in your library
6. Cast Thassa's Oracle from exile by paying
7. Thassa's Oracle enters the battlefield, winning you the game

Results

• Infinite self-mill
• Win the game