Karador, Ghost Chieftain + Timestream Navigator + Isochron Scepter + Entomb

Prerequisites

• Timesteam Navigator does not have summoning sickness.
• You have not cast a creature spell using Karador this turn.
• You have the city's blessing.

Steps

1. 1Activate Timestream Navigator by paying , tapping it and putting it from the battlefield onto the bottom of your library, causing you to take an extra turn after this one.
2. 2Activate Isochron Scepter by paying and tapping it, casting a copy of Entomb without paying its mana cost.
3. 3Resolve Entomb, searching your library for Timestream Navigator and putting it into your graveyard.
4. 4Cast Timestream Navigator from your graveyard by paying .
5. 5Repeat each turn.

Effects

• Infinite turns
• Lock