Agatha of the Vile Cauldron, Ashes of the Abhorrent, Phyrexian Altar, Splintering Wind, and Vigor

Prerequisites

• Agatha of the Vile Cauldron on the battlefield
• Ashes of the Abhorrent on the battlefield
• Phyrexian Altar on the battlefield
• Splintering Wind on the battlefield
• Vigor on the battlefield
• Agatha of the Vile Cauldron has power 1 or greater
• available

Steps

1. Activate Splintering Wind by paying , dealing 1 damage to target creature and creating a 1/1 Splinter creature token
2. Activate Phyrexian Altar by sacrificing the Splinter, adding
3. When the Splinter dies, it and Ashes of the Abhorrent trigger
4. Resolve the Ashes of the Abhorrent trigger, causing you to gain 1 life
5. Resolve the Splinter trigger, dealing 1 damage to you, and putting a +1/+1 counter on each creature you control due to Vigor
6. Repeat

Results

• Infinite +1/+1 counters
• Infinite damage to creatures
• Infinite death triggers
• Infinite ETB
• Infinite lifegain triggers
• Infinite LTB
• Infinite sacrifice triggers