Zimone, Mystery Unraveler, Yedora, Grave Gardener, and Catalyst Elemental

Prerequisites

• Zimone, Mystery Unraveler on the battlefield
• Yedora, Grave Gardener on the battlefield
• Catalyst Elemental on the battlefield
• undefined

Steps

1. Activate Catalyst Elemental by sacrificing it, adding
2. When Catalyst Elemental dies, Yedora triggers, returning Catalyst Elemental from your graveyard to the battlefield face-down as a Forest land
3. When Catalyst Elemental enters the battlefield, Zimone triggers
4. Holding priority, activate Catalyst Elemental by tapping it, adding
5. Resolve the Zimone trigger, turning Catalyst Elemental face-up
6. Repeat

Results

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