Sidisi, Undead Vizier, Nexus of Fate, and Karador, Ghost Chieftain

Prerequisites

• Sidisi, Undead Vizier in the graveyard
• Nexus of Fate in the library
• Karador, Ghost Chieftain on the battlefield
• You have not cast a creature spell using Karador this turn
• each turn available

Steps

1. Cast Sidisi from your graveyard by paying
2. When Sidisi enters the battlefield, its exploit ability triggers, causing you to sacrifice Sidisi
3. Sidisi's second ability triggers, causing you to search your library for Nexus of Fate and put it into your hand
4. Cast Nexus of Fate by paying , causing you to take an extra turn after this one and shuffle Nexus of Fate into your library
5. Repeat each turn

Results

• Infinite turns