Ravenous Intruder, Yotian Dissident, and Lesser Masticore

Prerequisites

• Ravenous Intruder on the battlefield
• Yotian Dissident on the battlefield
• Lesser Masticore on the battlefield

Steps

1. Activate Ravenous Intruder 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 Ravenous Intruder 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
• Infinitely large creature until end of turn