Metamorphosis Fanatic, Yannik, Scavenging Sentinel, and Carrion Feeder

Prerequisites

• Metamorphosis Fanatic in hand
• Yannik, Scavenging Sentinel in the graveyard
• Carrion Feeder on the battlefield
• available

Steps

1. Cast Metamorphosis Fanatic by paying
2. When Metamorphosis Fanatic enters, it triggers, returning Yannik from your graveyard to the battlefield
3. When Yannik enters, it triggers, exiling Metamorphosis Fanatic until Yannik leaves the battlefield and distributing four +1/+1 counters among any number of creatures
4. Activate Carrion Feeder by sacrificing Yannik
5. When Yannik leaves the battlefield, Metamorphosis Fanatic is returned from exile to the battlefield
6. Repeat from step 2
7. Resolve all Carrion Feeder abilities

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite +1/+1 counters