Vat of Rebirth, Myr Battlesphere, Clock of Omens, and Phyrexian Altar

Prerequisites

• Vat of Rebirth on the battlefield
• Myr Battlesphere in the graveyard
• Clock of Omens on the battlefield
• Phyrexian Altar on the battlefield
• Vat of Rebirth has at least four oil counters on it
• available

Steps

1. Activate Vat of Rebirth by paying , tapping it and removing four oil counters from it, returning Myr Battlesphere from your graveyard to the battlefield
2. Myr Battlesphere enters the battlefield, creating four 1/1 Myr artifact creature tokens
3. Activate Clock of Omens by tapping two Myrs, untapping Vat of Rebirth
4. Activate Phyrexian Altar four times by sacrificing Myr Battlesphere and three Myr tokens, adding
5. Myr Battlesphere and the Myrs die, triggering Vat of Rebirth four times, putting four oil counters on it
6. Repeat

Results

• Infinite colored mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana artifacts you control can produce
• Infinite oil counters on Vat of Rebirth
• Infinite sacrifice triggers
• Infinite untap of artifacts you control