K'rrik, Son of Yawgmoth, Ayara, First of Locthwain, Carrion Feeder, Deathgreeter, and Gravecrawler

Prerequisites

• K'rrik, Son of Yawgmoth on the battlefield
• Ayara, First of Locthwain on the battlefield
• Carrion Feeder on the battlefield
• Deathgreeter on the battlefield
• Gravecrawler on the battlefield
• You have at least 2 life

Steps

1. Activate Carrion Feeder by sacrificing Gravecrawler
2. Deathgreeter triggers, causing you to gain 1 life
3. Resolve the Carrion Feeder ability, putting a +1/+1 counter on it
4. Cast Gravecrawler from your graveyard by paying 2 life
5. Gravecrawler enters the battlefield, triggering Ayara, causing each opponent to lose 1 life and you to gain 1 life
6. Repeat

Results

• Infinite +1/+1 counters on Carrion Feeder
• Infinite death triggers
• Infinite ETB
• Infinite lifegain triggers
• Infinite lifeloss
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count