Meticulous Excavation + Timestream Navigator + Zinnia, Valley's Voice

Mana needed: {5}{W}{U} available the first turn, with {7}{W}{U}{U}{U} each following turn

URW identity

Commander legal

The 3 combo pieces

What must be in place

You control at least seven permanents and/or have the city's blessing.

How to execute it

  1. Cast TImestream Navigator by paying {1}{U}, plus an additional {2} for its offspring cost.
  2. If you control ten or more permanents and don't have the city's blessing, Timestream Navigator gives you the city's blessing.
  3. When Timestream Navigator enters the battlefield, it triggers, creating a token copy of it that is 1/1.
  4. If you control ten or more permanents and don't have the city's blessing, the Timestream Navigator token gives you the city's blessing.
  5. Activate Meticulous Excavation by paying {2}{W}, returning the nontoken Timestream Navigator from the battlefield to your hand.
  6. During your next turn, repeat steps 1 through 5 one additional time.
  7. Activate the oldest Timestream Navigator token by paying {2}{U}{U}, tapping it and putting it from the battlefield onto the bottom of your library, causing you to take an extra turn after this one.
  8. Repeat.

What the combo produces