Pili-Pala + Rex, Cyber-Hound + Selvala, Eager Trailblazer

GWU identity

Commander legal

The 3 combo pieces

What must be in place

You control at least two creatures with different powers.
Rex does not have summoning sickness.
Selvala and Pili-Pala exiled with a brain counter on them.

How to execute it

  1. Activate Rex using Selvala's ability by tapping it, adding two mana of any color.
  2. Activate Rex using Pili-Pala's ability by paying {2} and untapping it, adding one mana of any color.
  3. Repeat.

What the combo produces