Cloudstone Curio + Incubation Druid + Instill Energy + Rancor

G identity

Commander legal

The 4 combo pieces

What must be in place

Instill Energy attached to Incubation Druid.
Incubation Druid has at least one +1/+1 counter on it.
You control a land that can tap to produce {G}.

How to execute it

  1. Activate Incubation Druid by tapping it, adding {G}{G}{G}.
  2. Activate Instill Energy by paying {0}, untapping Incubation Druid.
  3. Cast Rancor by paying {G}, attaching it to Incubation Druid.
  4. Rancor enters the battlefield, triggering Cloudstone Curio, returning Instill Energy from the battlefield to your hand.
  5. Cast Instill Energy by paying {G}, attaching it to Incubation Druid.
  6. Instill Energy enters the battlefield, triggering Cloudstone Curio, returning Rancor from the battlefield to your hand.
  7. Repeat.

What the combo produces