Stone-Seeder Hierophant, Lake of the Dead, Urborg, Tomb of Yawgmoth, and Drownyard Temple

Prerequisites

• Stone-Seeder Hierophant on the battlefield
• Lake of the Dead on the battlefield
• Urborg, Tomb of Yawgmoth on the battlefield
• Drownyard Temple on the battlefield

Steps

1. Activate Lake of the Dead's second ability by tapping it and sacrificing Drownyard Temple, as it's a Swamp due to Urborg, adding
2. Activate Stone-Seeder Hierophant by tapping it, untapping Lake of the Dead
3. Activate Drownyard Temple's second ability by paying , returning it from your graveyard to the battlefield
4. When Drownyard Temple enters, Stone-Seeder Hierophant triggers, untapping it
5. Repeat

Results

• Infinite black mana
• Infinite landfall triggers