Yotian Dissident, Lesser Masticore, and Yahenni, Undying Partisan

Prerequisites

• Yotian Dissident on the battlefield
• Lesser Masticore on the battlefield
• Yahenni, Undying Partisan on the battlefield

Steps

1. Activate Yahenni by sacrificing Lesser Masticore When Lesser Masticore dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
2. When Lesser Masticore enters, Yotian Dissident triggers, putting a +1/+1 counter on Lesser Masticore Resolve the Yahenni ability
3. Repeat

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers