Chainer, Dementia Master, K'rrik, Son of Yawgmoth, Verdant Sun's Avatar, and Phyrexian Dreadnought

Prerequisites

• Chainer, Dementia Master on the battlefield
• K'rrik, Son of Yawgmoth on the battlefield
• Verdant Sun's Avatar on the battlefield
• Phyrexian Dreadnought in hand
• available

Steps

1. Cast Phyrexian Dreadnought by paying
2. When Phyrexian Dreadnought enters the battlefield, it and Verdant Sun's Avatar trigger
3. Resolve the Verdant Sun's Avatar trigger, causing you to gain life equal to Phyrexian Dreadnought's toughness
4. Resolve the Phyrexian Dreadnought trigger, causing you to sacrifice it
5. Activate Chainer by paying 9 life due to K'rrik, returning Phyrexian Dreadnought from your graveyard to the battlefield
6. Repeat from step 2

Results

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