How can you create a combo with Wheel of Sun and Moon, Phyrexian Altar, Earthcraft, Llanowar Sentinel?
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[START OF COMBO]This combo can be formed with Wheel of Sun and Moon, Phyrexian Altar, Earthcraft, Llanowar Sentinel

Color identity: GW
Mana cost: {2}{G}
Steps:
  1. Cast Llanowar Sentinel by paying {2}{G}.
  2. Llanowar Sentinel enters the battlefield, triggering itself.
  3. Holding priority, activate Earthcraft by tapping Llanowar Sentinel, untapping a basic land.
  4. Activate the basic land by tapping it, adding {1}.
  5. Activate Phyrexian Altar by sacrificing Llanowar Sentinel, adding {G}.
  6. Llanowar Sentinel is put on the bottom of your library instead of your graveyard due to Wheel of Sun and Moon.
  7. Resolve the Llanowar Sentinel trigger from step 2, causing you to pay {1}{G} to search your library for Llanowar Sentinel and put it onto the battlefield.
  8. Repeat from step 2.[END OF COMBO STEPS]

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

Other prerequisites:
  - Wheel of Sun and Moon must be on the battlefield
  - Phyrexian Altar must be on the battlefield
  - Earthcraft must be on the battlefield
  - Llanowar Sentinel must be in your hand
  - Wheel of Sun and Moon attached to you.
  - You control at least one basic land.
[END OF COMBO PREREQUISITES]
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