Prerequisites
- Decaying Soil on the battlefield
- Phyrexian Altar on the battlefield
- Shield Sphere in hand
- You have at least seven cards in your graveyard
Steps
- Cast Shield Sphere by paying
- Activate Phyrexian Altar by sacrificing Shield Sphere, adding
- When Shield Sphere dies, Decaying Soil triggers, causing you to pay to return Shield Sphere to your hand from your graveyard
- Repeat
Results
Required Cards 3
Shield Sphere
Artifact Creature — Wall