Carrion Feeder + Fatestitcher + Void Maw

UB identity

Commander legal

The 3 combo pieces

What must be in place

You control a permanent that can tap to produce at least {U}.

How to execute it

  1. Activate the mana-producing permanent by tapping it, adding {U}.
  2. Activate Fatestitcher's unearth ability by paying {U}, returning it from your graveyard to the battlefield and giving it haste until end of turn.
  3. Activate Fatestitcher by tapping it, untapping the mana-producing permanent.
  4. Activate Carrion Feeder by sacrificing Fatestitcher.
  5. Choose to exile Fatestitcher using Void Maw's replacement effect instead of Fatestitcher's.
  6. Resolve the Carrion Feeder ability, putting a +1/+1 counter on it.
  7. Activate Void Maw by putting Fatestitcher from exile into your graveyard, giving Void Maw +2/+2 until end of turn.
  8. Repeat.

What the combo produces