Fool's Demise, Channel, Phyrexian Altar, and Spiritual Guardian

Prerequisites

• Fool's Demise on the battlefield
• Channel in hand
• Phyrexian Altar on the battlefield
• Spiritual Guardian on the battlefield
• Fool's Demise attached to Spiritual Guardian
• available

Steps

1. Cast Channel by paying
2. Activate Phyrexian Altar by sacrificing Spiritual Guardian, adding
3. When Spiritual Guardian dies, Fool's Demise's first and second abilities trigger
4. Resolve the first Fool's Demise trigger, returning Spiritual Guardian from your graveyard to the battlefield
5. When Spiritual Guardian enters the battlefield, it triggers, causing you to gain 4 life
6. Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand
7. Activate Channel four times by paying 4 life, adding
8. Cast Fool's Demise by paying , attaching it to Spiritual Guardian
9. Repeat from step 2

Results

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