Bloodsoaked Champion, Carnival of Souls, Phyrexian Altar, and South Wind Avatar

Prerequisites

• Bloodsoaked Champion on the battlefield
• Carnival of Souls on the battlefield
• Phyrexian Altar on the battlefield
• South Wind Avatar on the battlefield
• available

Steps

1. Activate Phyrexian Altar by sacrificing Bloodsoaked Champion, adding When Bloodsoaked Champion dies, South Wind Avatar triggers, causing you to gain life
2. Its second ability then triggers, causing each opponent to lose 1 life Activate Bloodsoaked Champion by paying , returning it from your graveyard to the battlefield
3. When Bloodsoaked Champion enters, Carnival of Souls triggers, adding and causing you to lose 1 life
4. Repeat

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite lifegain
• Infinite lifegain triggers
• Infinite lifeloss