Chainer, Dementia Master, Su-Chi, Chromatic Orrery, Verdant Sun's Avatar, and Phyrexian Altar

Prerequisites

• Chainer, Dementia Master on the battlefield
• Su-Chi on the battlefield
• Chromatic Orrery on the battlefield
• Verdant Sun's Avatar on the battlefield
• Phyrexian Altar on the battlefield
• Your life total is at least 4

Steps

1. Activate Phyrexian Altar by sacrificing Su-Chi, adding one mana of any color
2. When Su-Chi dies, it triggers, adding
3. Activate Chainer by paying and 3 life, returning Su-Chi to the battlefield from your graveyard
4. When Su-Chi enters the battlefield, Verdant Sun's Avatar triggers, causing you to gain life equal to Su-Chi's toughness
5. Repeat

Results

• Infinite colored mana
• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite LTB
• Infinite sacrifice triggers