Zimone, Mystery Unraveler, Yedora, Grave Gardener, and Ashnod's Altar

Prerequisites

• Zimone, Mystery Unraveler on the battlefield
• Yedora, Grave Gardener on the battlefield
• Ashnod's Altar on the battlefield
• Zimone's ability has triggered at least once this turn
• You control at least one additional nontoken creature

Steps

1. Activate Ashnod's Altar by sacrificing another nontoken creature you control, adding
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
5. Resolve the Zimone trigger, turning the creature face-up
6. Repeat

Results

• Infinite LTB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite colorless mana
• Infinite green mana
• Infinite landfall triggers