Phyrexian Altar, Falkenrath Noble, Life Insurance, and Bloodsoaked Champion

Prerequisites

• Phyrexian Altar on the battlefield
• Falkenrath Noble on the battlefield
• Life Insurance on the battlefield
• Bloodsoaked Champion on the battlefield
• You attacked with a creature this turn

Steps

1. Activate Phyrexian Altar by sacrificing Bloodsoaked Champion, adding
2. Falkenrath Noble and Life Insurance triggers
3. Resolve the Falkenrath Noble trigger, causing target player to lose 1 life and gaining you 1 life
4. Resolve the Life Insurance trigger, causing you to lose 1 life and creating a Treasure token
5. Activate a Treasure token by tapping and sacrificing itself, adding
6. Activate Bloodsoaked Champion by paying , returning it to the battlefield
7. Repeat

Results

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