God-Eternal Kefnet, Jace, the Mind Sculptor, and Time Stretch

Prerequisites

• God-Eternal Kefnet on the battlefield
• Jace, the Mind Sculptor on the battlefield
• Time Stretch in hand
• each turn available

Steps

1. Activate Jace's zero loyalty ability, putting Time Stretch on top of your library
2. Move to your next turn
3. On your next draw step, when you draw Time Stretch, reveal it due to Kefnet's ability, making a copy that costs less to cast
4. Cast the copy for , granting you two extra turns

Results

• Infinite turns