Yedora, Grave Gardener, Embodiment of Insight, and Zuran Orb

Prerequisites

• Yedora, Grave Gardener on the battlefield
• Embodiment of Insight on the battlefield
• Zuran Orb on the battlefield
• You control a nontoken land creature

Steps

1. Activate Zuran Orb by sacrificing a nontoken land creature
2. The land creature dies, triggering Yedora, returning it to the battlefield face down as a Forest land
3. The Forest enters the battlefield, triggering Embodiment of Insight, causing the Forest to become a 3/3 Elemental creature with haste in addition to its other types
4. Resolve the Zuran Orb ability from step 1, causing you to gain two life
5. Activate the Elemental by tapping it, adding
6. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite green mana
• Infinite landfall triggers
• Infinite lifegain
• Infinite lifegain triggers
• Infinite LTB
• Infinite sacrifice triggers