Enigmatic Incarnation, Timestream Navigator, and Rancor

Prerequisites

• Enigmatic Incarnation on the battlefield
• Timestream Navigator on the battlefield
• Rancor on the battlefield
• You have the city's blessing
• Timestream Navigator does not have summoning sickness
• Rancor attached to any other creature except Timestream Navigator
• on your first turn, with available on each extra turn available

Steps

1. Activate Timestream Navigator by paying , tapping it and putting it onto the bottom of your library, causing you to take an extra turn after this one
2. At the beginning of your end step, Enigmatic Incarnation triggers, causing you to sacrifice Rancor and then search your library for Timestream Navigator and put it onto the battlefield
3. Rancor triggers, returning itself from your graveyard to your hand
4. Move to your next turn
5. Cast Rancor by paying , attaching it to any other creature you control
6. Repeat

Results

• Infinite turns