Phyrexian Altar, Garrison Excavator, and Reassembling Skeleton

Prerequisites

• Phyrexian Altar on the battlefield
• Garrison Excavator on the battlefield
• Reassembling Skeleton on the battlefield
• available

Steps

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

Results

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