Ashnod's Altar + Colfenor, the Last Yew + Gutter Grime

WBG identity

Commander legal

The 3 combo pieces

How to execute it

  1. Cast the creature card in your hand by paying {0}.
  2. Either that creature dies as a state-based action due to having zero toughness, or activate Ashnod's Altar by sacrificing that creature, adding {C}{C}
  3. Gutter Grime triggers, putting a slime counter on it and creating a X/X Ooze creature token.
  4. Activate Ashnod's Altar by sacrificing the Ooze, adding {C}{C}.
  5. When the Ooze dies, Colfenor triggers, returning the creature card from your graveyard to your hand.
  6. Repeat.

What the combo produces