Derevi, Empyrial Tactician + Splinter Twin

RGWU identity

Commander legal

The 2 combo pieces

What must be in place

Splinter Twin attached to Derevi.
Derevi does not have summoning sickness.

How to execute it

  1. Activate Derevi, putting a token copy of Derevi onto the battlefield.
  2. The token copy is put into your graveyard due to the legend rule.
  3. The token copy's enter the battlefield ability triggers, untapping Derevi.
  4. Repeat.

What the combo produces