Fatestitcher + Halo Fountain + Incubation Druid

GWU identity

Commander legal

The 3 combo pieces

What must be in place

Incubation Druid and Fatestitcher do not have summoning sickness.
Incubation Druid has at least one +1/+1 counter on it.
You control a land that can produce {W}.

How to execute it

  1. Activate Incubation Druid by tapping it, adding {W}{W}{W}.
  2. Activate Fatestitcher by tapping it, targeting Halo Fountain.
  3. Holding priority, activate Halo Fountain by paying {W}{W}, tapping it, and untapping Fatestitcher and Incubation Druid, causing you to draw a card.
  4. Resolve the Fatestitcher ability, untapping Halo Fountain.
  5. Repeat.
  6. Once you have drawn your library, you may instead forego activating Incubation Druid's ability to activate Halo Fountain's first ability to create near-infinite 1/1 Citizen creature tokens.

What the combo produces