Myojin of Grim Betrayal, Martyr for the Cause, and Ashnod's Altar

Prerequisites

• Myojin of Grim Betrayal on the battlefield
• Martyr for the Cause on the battlefield
• Ashnod's Altar on the battlefield
• Myojin of Grim Betrayal has at least one indestructible counter on it

Steps

1. Activate Ashnod's Altar by sacrificing Martyr for the Cause, adding
2. When Martyr for the Cause dies, it triggers, putting an indestructible counter on Myojin
3. Activate Myojin by removing an indestructible counter from it, returning Martyr for the Cause from your graveyard to the battlefield
4. Repeat

Results

• Infinite blinking
• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite proliferate
• Infinite sacrifice triggers