Requires

Kenrith, the Returned King must be on the battlefield. Oriq Loremage must be on the battlefield. Timestream Navigator must be in the graveyard. Zirda, the Dawnwaker must be on the battlefield. You have the city blessing. Mana needed: each turn

Steps

1. Activate Kenrith's fifth ability by paying , returning Timestream Navigator from your graveyard to your battlefield.
2. Activate Kenrith's first ability by paying , causing all creatures to gain haste.
3. Activate Timestream Navigator by paying , tapping it, and putting it on the bottom of your library, causing you to an extra turn after this one.
4. Activate Oriq Loremage by tapping it, searching for Timestream Navigator and put it into your graveyard.
5. Repeat.

Results