Zethi, Arcane Blademaster, Nexus of Fate, and Mystical Tutor

Prerequisites

• Zethi, Arcane Blademaster on the battlefield
• Nexus of Fate in hand
• Mystical Tutor in exile
• Zethi does not have summoning sickness and cannot be blocked and killed by an opponent
• each turn available

Steps

1. Cast Nexus of Fate by paying , causing you to take an extra turn after this one and shuffle Nexus of Fate into your library
2. Declare Zethi as an attacker
3. Zethi's second ability triggers, creating a copy of Mystical Tutor and causing you to pay to cast it
4. Resolve the copy of Mystical Tutor, causing you to search your library for Nexus of Fate and put it on top of your library
5. Move to your extra turn, causing you to draw Nexus of Fate during your draw step
6. Repeat

Results

• Infinite turns
• Skip your draw step