Aggravated Assault + Crystalline Crawler + Emissary Green

RG identity

Commander legal

The 3 combo pieces

What must be in place

An opponent is unable to block and kill Emissary Green
You have at least three opponents
Emissary Green does not have summoning sickness.

How to execute it

  1. Declare Emissary Green as an attacker. Emissary Green triggers, causing you to create a number of Treasure tokens and put a number of +1/+1 counters on each creature you control.
  2. Move to your postcombat main phase.
  3. If you control a Treasure, activate it by tapping and sacrificing it, adding {R}.
  4. Repeat step 2 until you control no Treasures and/or have {3}{R}{R} available.
  5. If Crystalline Crawler has a +1/+1 counter on it and you do not have {3}{R}{R} available, activate it by removing a +1/+1 counter from it, adding {R}.
  6. Repeat step 5 until you have {3}{R}{R} available.
  7. Activate Aggravated Assault by paying {3}{R}{R}, untapping all creatures you control and causing you to get an additional combat and main phase after this one.
  8. Repeat.

What the combo produces