Fool's Demise, Channel, Phyrexian Altar, and Webweaver Changeling

Prerequisites

• Fool's Demise on the battlefield
• Channel in hand
• Phyrexian Altar on the battlefield
• Webweaver Changeling on the battlefield
• Fool's Demise attached to Webweaver Changeling
• You have three or more creature cards in your graveyard
• available

Steps

1. Cast Channel by paying
2. Activate Phyrexian Altar by sacrificing Webweaver Changeling, adding
3. When Webweaver Changeling dies, Fool's Demise's first and second abilities trigger
4. Resolve the first Fool's Demise trigger, returning Webweaver Changeling from your graveyard to the battlefield
5. When Webweaver Changeling enters the battlefield, it triggers, causing you to gain 5 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 Webweaver Changeling
9. Repeat from step 2

Results

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