Mystic Sanctuary, Vedalken Mastermind, and Time Stretch

Prerequisites

• Mystic Sanctuary in hand
• Vedalken Mastermind on the battlefield
• Time Stretch in hand
• each other turn available

Steps

1. Cast Time Stretch by paying its mana cost, causing you to take two extra turns after this one
2. Play Mystic Sanctuary
3. When Mystic Sanctuary enters untapped, it triggers, putting Time Stretch from your graveyard onto the top of your library
4. Move to your next turn, drawing Time Stretch during your draw step
5. Activate Mystic Sanctuary by tapping it, adding
6. Activate Vedalken Mastermind by paying and tapping it, returning Mystic Sanctuary from the battlefield to your hand
7. Repeat during your second extra turn

Results

• Infinite turns
• Skip your draw step