Unlicensed Hearse, Eternal Scourge, Ashnod's Altar, Thornbite Staff, and Urza's Incubator

Prerequisites

• Unlicensed Hearse on the battlefield
• Eternal Scourge on the battlefield
• Ashnod's Altar on the battlefield
• Thornbite Staff on the battlefield
• Urza's Incubator on the battlefield
• You have a way to cause Unlicensed Hearse to become a creature this turn
• Unlicensed Hearse does not have summoning sickness
• "Eldrazi" chosen with Urza's Incubator
• available

Steps

1. Cause Unlicensed Hearse to become a creature
2. Activate Thornbite Staff's equip ability by paying , attaching it to Unlicensed Hearse
3. Activate Ashnod's Altar by sacrificing Eternal Scourge, adding
4. Eternal Scourge dies, triggering Unlicensed Hearse, untapping Unlicensed Hearse
5. Activate Unlicensed Hearse by tapping it, exiling Eternal Scourge from your graveyard
6. Cast Eternal Scourge from exile by paying
7. Repeat from step 3

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count