Ratadrabik of Urborg, Yahenni, Undying Partisan, and Stalwarts of Osgiliath

Prerequisites

• Ratadrabik of Urborg on the battlefield
• Yahenni, Undying Partisan on the battlefield
• Stalwarts of Osgiliath on the battlefield

Steps

1. Activate Yahenni by sacrificing Stalwarts of Osgiliath
2. When Stalwarts of Osgiliath dies, Ratadrabik triggers, creating a nonlegendary token copy of Stalwarts of Osgiliath that is a 2/2 Zombie
3. When the Stalwarts of Osgiliath token enters the battlefield, it triggers, causing the Ring to tempt you, with the Stalwarts of Osgiliath token becoming your Ring-bearer
4. Resolve the Yahenni ability
5. Repeat

Results

• Infinite creature LTB
• Infinite creature ETB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite storm count