Yedora, Grave Gardener, Nervous Gardener, and Ashnod's Altar

Prerequisites

• Yedora, Grave Gardener on the battlefield
• Nervous Gardener on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Nervous Gardener, adding
2. When Nervous Gardener dies, Yedora triggers, returning Nervous Gardener from your graveyard to the battlefield face-down as a Forest land
3. Activate Nervous Gardener by tapping it, adding
4. Activate Nervous Gardener's disguise ability by paying , turning it face-up
5. Nervous Gardener triggers, causing you to search your library for a land with a basic land type and put it into your hand
6. Repeat

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite landfall triggers
• Infinite LTB
• Infinite sacrifice triggers
• Put all lands with a basic land type from your library into your hand