Mystic Sanctuary, Dust Bowl, Time Walk, and Szarel, Genesis Shepherd

Prerequisites

• Mystic Sanctuary on the battlefield
• Dust Bowl on the battlefield
• Time Walk in hand
• Szarel, Genesis Shepherd on the battlefield
• each turn available

Steps

1. Cast Time Walk by paying its mana cost, causing you to take an extra turn after this one
2. Activate Dust Bowl by paying , tapping it and sacrificing Mystic Sanctuary, destroying a nonbasic land
3. Play Mystic Sanctuary from your graveyard
4. When Mystic Sanctuary enters untapped, it triggers, putting Time Walk from your graveyard onto the top of your library
5. Move to your next turn, drawing Time Walk during your draw step
6. Repeat

Results

• Skip your draw step
• Near-infinite extra turns