Renata, Called to the Hunt, Ashnod's Altar, and Lesser Masticore

Prerequisites

• Renata, Called to the Hunt on the battlefield
• Ashnod's Altar on the battlefield
• Lesser Masticore on the battlefield

Steps

1. Sacrifice the Lesser Masticore to Ashnod's Altar to add
2. Lesser Masticore returns to the battlefield with a +1/+1 counter and a -1/-1 counter
3. The counters cancel out
4. Repeat

Results

• Infinite colorless mana
• Infinite damage to creatures
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers