Vizier of Remedies, Wingrattle Scarecrow, and Ashnod's Altar

Prerequisites

• Vizier of Remedies on the battlefield
• Wingrattle Scarecrow on the battlefield
• Ashnod's Altar on the battlefield
• You control a black creature

Steps

1. Activate Ashnod's Altar by sacrificing Wingrattle Scarecrow, adding
2. Wingrattle Scarecrow's persist ability triggers, returning it from your graveyard to the battlefield with zero -1/-1 counters due to Vizier of Remedies
3. Repeat

Results

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