Deadbridge Chant, Tormod's Crypt, and Time Stretch

Prerequisites

• Deadbridge Chant on the battlefield
• Tormod's Crypt on the battlefield
• Time Stretch in hand
• each other turn available

Steps

1. Activate Tormod's Crpyt by tapping and sacrificing it, exiling your graveyard
2. Cast Time Stretch by paying , causing you to take an extra turn after this one
3. Move to your next turn
4. At the beginning of your upkeep, Deadbridge Chant triggers, returning Time Stretch to your hand from your graveyard
5. Move to your next turn
6. Repeat from step 2
7. NOTE: This combo can fail if other cards enter your graveyard after step 1

Results

• Infinite turns