Samwise the Stouthearted, Kaya's Ghostform, and Phyrexian Altar

Prerequisites

• Samwise the Stouthearted on the battlefield
• Kaya's Ghostform on the battlefield
• Phyrexian Altar on the battlefield
• Kaya's Ghostform attached to Samwise the Stouthearted

Steps

1. Activate Phyrexian Altar by sacrificing Samwise the Stouthearted, adding
2. When Samwise the Stouthearted dies, Kaya's Ghostform triggers, returning Samwise the Stouthearted to the battlefield from your graveyard
3. When Samwise the Stouthearted enters the battlefield, it triggers, returning Kaya's Ghostform to your hand from the battlefield and causing the Ring to tempt you
4. Cast Kaya's Ghostform by paying , attaching it to Samwise the Stouthearted
5. Repeat

Results

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