Sliver Queen, Agatha of the Vile Cauldron, and Phyrexian Altar

Prerequisites

• Sliver Queen on the battlefield
• Agatha of the Vile Cauldron on the battlefield
• Phyrexian Altar on the battlefield
• available

Steps

1. Activate Silver Queen by paying , creating a 1/1 Sliver creature token
2. Activate Phyrexian Altar by sacrificing the Sliver, adding
3. Repeat

Results

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