Great Whale + Mercurial Pretender + Volo, Guide to Monsters

GU 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 {3}{U}{U}.
You have no other Shapeshifters on the battlefield or in your graveyard.

How to execute it

  1. Activate up to seven lands by tapping them, adding at least {3}{U}{U}.
  2. Cast Mercurial Pretender by paying {4}{U}.
  3. Volo triggers, creating a token copy of Mercurial Pretender.
  4. The token Mercurial Pretender enters the battlefield as a copy of Great Whale, untapping up to seven lands.
  5. Activate up to seven lands by tapping them, adding at least {3}{U}{U}.
  6. The nontoken Mercurial Pretender enters the battlefield as a copy of Great Whale, untapping up to seven lands.
  7. Activate the nontoken Mercurial Pretender by paying {2}{U}{U}, returning it from the battlefield to your hand.
  8. Repeat.

What the combo produces