Isochron Scepter + The Blackstaff of Waterdeep + To Arms!

Mana needed: {U}

WU identity

Commander legal

The 3 combo pieces

What must be in place

Creatures you control can tap to produce at least {3}.

How to execute it

  1. Activate all mana-producing creatures you control by tapping them, adding at least {3}.
  2. Activate The Blackstaff of Waterdeep by paying {1}{U} and tapping it, causing Isochron Scepter to become a 4/4 artifact creature.
  3. Activate Isochron Scepter by paying {2} and tapping it, casting a copy of To Arms! without paying its mana cost.
  4. Resolve To Arms!, untapping all creatures you control and causing you to draw a card.
  5. Activate all mana-producing creatures you control by tapping them, adding at least {3}.
  6. Repeat from step 3.

What the combo produces