Emerald Charm + Isochron Scepter + Swarm Intelligence

GU identity

Commander legal

The 3 combo pieces

What must be in place

You control a permanent that can tap to produce at least {3}.

How to execute it

  1. Activate a permanent you control by tapping it, adding at least {3}.
  2. Activate Isochron Scepter by paying {2} and tapping it, casting a copy of Emerald Charm without paying its mana cost, targeting Isochron Scepter.
  3. Swarm Intelligence triggers, creating a copy of Emerald Charm, targeting the permanent that can tap to produce at least {3}.
  4. Resolve both Emerald Charm copies, untapping Isochron Scepter and the permanent.
  5. Repeat.

What the combo produces