Phyrexian Altar + Yedora, Grave Gardener + Zimone, Mystery Unraveler

GU identity

Commander legal

The 3 combo pieces

What must be in place

Zimone's ability has triggered at least once this turn.
You control at least one additional nontoken creature.

How to execute it

  1. Activate Phyrexian Altar by sacrificing another nontoken creature you control, adding one mana of any color.
  2. When the creature dies, Yedora triggers, returning the creature from your graveyard to the battlefield face-down as a Forest land.
  3. When the creature enters the battlefield as a Forest land, Zimone triggers.
  4. Holding priority, activate the land by tapping it, adding {G}.
  5. Resolve the Zimone trigger, turning the creature face-up.
  6. Repeat.

What the combo produces