Enduring Renewal + Herald of the Pantheon + Carnival of Souls + Opalescence + Phyrexian Altar

Prerequisites

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Steps

1. 1Cast Carnival of Souls by paying .
2. 2Herald of the Pantheon triggers, causing you to gain 1 life.
3. 3When Carnival of Souls enters the battlefield as a creature due to Opalescence, it triggers, causing you to add and lose 1 life.
4. 4Activate Phyrexian Altar by sacrificing Carnival of Souls, adding one mana of any color.
5. 5When Carnival of Souls dies, Enduring Renewal triggers, returning Carnival of Souls to your hand from your graveyard.
6. 6Repeat.

Effects

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