Port Razer + Splinter Twin

R identity

Commander legal

The 2 combo pieces

What must be in place

Splinter Twin attached to Port Razer.
Port Razer does not have summoning sickness.
An opponent is unable to block Port Razer.

How to execute it

  1. Activate Port Razer's ability from Splinter Twin by tapping it, creating a token copy of Port Razer with haste.
  2. Declare the newest Port Razer copy as an attacker.
  3. When the token copy of Port Razer deals combat damage to an opponent, it triggers, untapping all your creatures and creating an additional combat phase after this one.
  4. Repeat.

What the combo produces