Myojin of Grim Betrayal, Core Prowler, and Ashnod's Altar

Prerequisites

• Myojin of Grim Betrayal on the battlefield
• Core Prowler 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 Core Prowler, adding
2. When Core Prowler dies, it triggers, putting an indestructible counter on Myojin
3. Activate Myojin by removing an indestructible counter from it, returning Core Prowler 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