Denry Klin, Editor in Chief, Lesser Masticore, and Ashnod's Altar

Prerequisites

• Denry Klin, Editor in Chief on the battlefield
• Lesser Masticore on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Lesser Masticore, adding
2. Lesser Masticore dies, triggering its persist ability, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. Lesser Masticore enters the battlefield, triggering Denry Klin, putting a +1/+1 counter on Lesser Masticore
4. Repeat

Results

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