Timestream Navigator | Riptide Laboratory | Archmage of Echoes
Color Identity: U
Initial Card State
- Timestream Navigator in hand.
- Riptide Laboratory and Archmage of Echoes on the battlefield.
Notable Prerequisites
- You have the city's blessing, and/or control (at least) eight permanents.
Mana Needed
available the first turn, with 
each following turn available.
Steps
- Cast Timestream Navigator by paying .
- Archmage of Echoes triggers, copying the Timestream Navigator spell.
- Resolve both Timestream Navigator spells.
- If you don't have the city's blessing, either the Timestream Navigator token or the nontoken Timestream Navigator gives you the city's blessing.
- During your next turn, activate Riptide Laboratory's second ability by paying and tapping it, returning the nontoken Timestream Navigator to your hand from the battlefield.
- Activate the ability of the Timestream Navigator token by paying
, tapping it and putting on the bottom of your library, causing you to take an extra turn after that one. - Repeat.
Results
- Infinite turns.
