Pili-Pala + Rex, Cyber-Hound + Weaver of Currents

GWU identity

Commander legal

The 3 combo pieces

What must be in place

Rex does not have summoning sickness.
Weaver of Currents and Pili-Pala exiled with a brain counter on them.

How to execute it

  1. Activate Rex using Weaver of Currents's ability by tapping it, adding {C}{C}.
  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