Drownyard Temple, Bloodghast, Embodiment of Insight, and Ashnod's Altar

Prerequisites

• Drownyard Temple in hand or on the battlefield
• Bloodghast on the battlefield
• Embodiment of Insight on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Sacrifice Bloodghast to Ashnod's Altar for
2. Play Drownyard Temple
3. Return Bloodghast to the battlefield
4. Use Embodiment of Insight to turn Drownyard Temple into a creature
5. Sacrifice Drownyard Temple to Ashnod's Altar
6. Repeat

Results

• Infinite colorless mana
• Infinite ETB
• Infinite landfall triggers
• Infinite Land Sacrifice Triggers
• Infinite LTB
• Infinite sacrifice triggers