How can you create a combo with Decaying Soil, Phyrexian Altar, Shield Sphere?
user
[START OF COMBO]This combo can be formed with Decaying Soil, Phyrexian Altar, Shield Sphere

Color identity: B
Mana cost: 
Steps:
  1. Cast Shield Sphere by paying {0}.
  2. Activate Phyrexian Altar by sacrificing Shield Sphere, adding {1}.
  3. When Shield Sphere dies, Decaying Soil triggers, causing you to pay {1} to return Shield Sphere to your hand from your graveyard.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Decaying Soil must be on the battlefield
  - Phyrexian Altar must be on the battlefield
  - Shield Sphere must be in your hand
  - You have at least seven cards in your graveyard.
[END OF COMBO PREREQUISITES]
assistant