Time Walk, Seasons Past, and Diabolic Tutor

Prerequisites

• Time Walk in hand or in the graveyard
• Seasons Past in hand
• Diabolic Tutor in hand or in the graveyard
• each turn available

Steps

1. Cast Seasons Past by paying , returning Diabolic Tutor, Time Walk, and any number of cards with different mana costs to your hand and putting Seasons Past on the bottom of your library
2. Cast Diabolic Tutor by paying , putting Seasons Past from your library into your hand
3. Cast Time Walk by paying , granting you an extra turn
4. Repeat each turn

Results

• Infinite turns