Beacon of Tomorrows, Isochron Scepter, and Mystical Tutor

Prerequisites

• Beacon of Tomorrows in hand
• Isochron Scepter on the battlefield
• Mystical Tutor in exile
• every turn available

Steps

1. Cast Beacon of Tomorrow by paying , granting you an extra turn after this one and shuffling it into your library
2. Activate Isochron Scepter by paying and tapping it, casting Mystical Tutor, putting Beacon of Tomorrows on top of your library
3. Move to your next turn
4. Draw Beacon of Tomorrows from the top of your library
5. Repeat

Results

• Infinite turns
• Skip your draw step