Cavern Harpy + Great Whale + Yarok, the Desecrated

Mana needed: {2}

BGU identity

Commander legal

The 3 combo pieces

What must be in place

You control up to seven lands that can tap to produce at least {2}{U}{U}{B}.

How to execute it

  1. Activate up to seven lands you control by tapping them, adding at least {2}{U}{U}{B}.
  2. Cast Great Whale by paying {5}{U}{U}.
  3. Great Whale enters the battlefield, triggering its ability twice.
  4. Resolve the first Great Whale trigger, untapping the seven lands.
  5. Activate the seven lands by tapping them, adding at least {2}{U}{U}{B}.
  6. Resolve the second Great Whale trigger, untapping the seven lands.
  7. Cast Cavern Harpy by paying {U}{B}.
  8. Cavern Harpy enters the battlefield, triggering its ability twice, returning Cavern Harpy and Great Whale from the battlefield to your hand.
  9. Repeat.

What the combo produces