Phyrexian Altar, Skeleton Crew, and Bloodsoaked Champion

Prerequisites

• Phyrexian Altar on the battlefield
• Skeleton Crew on the battlefield
• Bloodsoaked Champion on the battlefield
• available

Steps

1. Activate Phyrexian Altar by sacrificing Bloodsoaked Champion, adding
2. Activate Bloodsoaked Champion by paying , returning it from your graveyard to the battlefield
3. Skeleton Crew triggers, creating a creature token
4. Activate Phyrexian Altar by sacrificing the creature tokens, adding
5. Repeat

Results

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