Illuminor Szeras, Myr Battlesphere, Grenzo, Dungeon Warden, Reito Sentinel, and Clock of Omens

Prerequisites

• Illuminor Szeras on the battlefield
• Myr Battlesphere on the battlefield
• Grenzo, Dungeon Warden on the battlefield
• Reito Sentinel on the battlefield
• Clock of Omens on the battlefield
• Grenzo has power 4 or greater
• Illuminor Szeras does not have summoning sickness

Steps

1. Activate Illuminor Szeras by tapping it and sacrificing Myr Battlesphere, adding seven
2. Activate Reito Sentinel by paying , putting Myr Battlesphere on the bottom of your library
3. Activate Grenzo by paying , putting Myr Battlesphere from the bottom of your library into your graveyard, then putting it onto the battlefield
4. When Myr Battlesphere enters the battlefield, it triggers, creating four 1/1 Myr artifact creature tokens
5. Activate Clock of Omens by tapping Myr Battlesphere and a Myr token, untapping Illuminor Szeras
6. Repeat

Results

• Infinite black mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana artifacts you control can produce
• Infinite sacrifice triggers
• Infinite untap of artifacts you control