Junji, the Midnight Sky, Metamorphosis Fanatic, Hammerhead, Maggia Boss, and Edgar, Ancient Bloodlord

Prerequisites

• Junji, the Midnight Sky on the battlefield
• Metamorphosis Fanatic on the battlefield
• Hammerhead, Maggia Boss on the battlefield
• Edgar, Ancient Bloodlord on the battlefield

Steps

1. Activate Hammerhead by sacrificing Metamorphosis Fanatic
2. When Metamorphosis Fanatic dies, Edgar triggers, causing you to gain 1 life
3. Resolve the Hammerhead ability
4. Activate Hammerhead by sacrificing Junji
5. When Junji dies, it and Edgar trigger
6. Resolve the Edgar trigger, causing you to gain 1 life
7. Resolve the Junji trigger, returning Metamorphosis Fanatic from your graveyard to the battlefield and causing you to lose 2 life
8. When Metamorphosis Fanatic enters, it triggers, returning Junji from your graveyard to the battlefield
9. Resolve the Hammerhead ability
10. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers