Aggravated Assault + Shriekwood Devourer

RG identity

Commander legal

The 2 combo pieces

What must be in place

You control up to five lands that can tap to produce at least {3}{R}{R}.
You control a creature with power 5 or greater that does not have summoning sickness, and that cannot be blocked and killed by an opponent.

How to execute it

  1. Declare any creature with power 5 or greater that cannot be blocked and killed by an opponent as an attacker.
  2. Shriekwood Devourer triggers, untapping at least five lands.
  3. Move to your postcombat main phase.
  4. Activate up to five lands by tapping them, adding at least {3}{R}{R}.
  5. 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.
  6. Repeat.

What the combo produces