Ratadrabik of Urborg, Phyrexian Altar, and Stalwarts of Osgiliath

Prerequisites

• Ratadrabik of Urborg on the battlefield
• Phyrexian Altar on the battlefield
• Stalwarts of Osgiliath on the battlefield
• Stalwarts of Osgiliath is your Ring-bearer

Steps

1. Activate Phyrexian Altar by sacrificing Stalwarts of Osgiliath, adding one mana of any color
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. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count