Fool's Demise, Channel, Phyrexian Altar, and Gray Merchant of Asphodel

Prerequisites

• Fool's Demise on the battlefield
• Channel in hand
• Phyrexian Altar on the battlefield
• Gray Merchant of Asphodel on the battlefield
• Fool's Demise attached to Gray Merchant of Asphodel
• You have at least two opponents, or your devotion to black is at least four
• available

Steps

1. Cast Channel by paying
2. Activate Phyrexian Altar by sacrificing Gray Merchant of Asphodel, adding
3. When Gray Merchant of Asphodel dies, Fool's Demise's first and second abilities trigger
4. Resolve the first Fool's Demise trigger, returning Gray Merchant of Asphodel from your graveyard to the battlefield
5. When Gray Merchant of Asphodel enters the battlefield, it triggers, causing each opponent to lose life equal to your devotion to black, and you to gain life equal to the life lost this way
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 Gray Merchant of Asphodel
9. Repeat from step 2

Results

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