How can you create a combo with Kodama of the East Tree, Helm of the Host, Selesnya Sanctuary?
user
[START OF COMBO]This combo can be formed with Kodama of the East Tree, Helm of the Host, Selesnya Sanctuary

Color identity: GW
Mana cost: 
Steps:
  1. At the beginning of your combat phase, Helm of the Host triggers, creating a nonlegendary token copy of Kodama of the East Tree with haste.
  2. Play Selesnya Sanctuary.
  3. Both Kodama of the East Trees and Selesnya Sanctuary trigger.
  4. Resolve the token Kodama of the East Tree trigger, choosing not to put anything from your hand onto the battlefield.
  5. Resolve the Selesnya Sanctuary trigger, returning it to your hand from the battlefield.
  6. Resolve the nontoken Kodama of the East Tree trigger, putting Selesnya Sanctuary from your hand onto the battlefield.
  7. The token Kodama of the East Tree and Selesnya Sanctuary trigger.
  8. Resolve the Selesnya Sanctuary trigger, returning it to your hand from the battlefield.
  9. Resolve the token Kodama of the East Tree trigger, putting Selesnya Sanctuary from your hand onto the battlefield.
  10. The nontoken Kodama of the East Tree and Selesnya Sanctuary trigger.
  11. Repeat from step 5.[END OF COMBO STEPS]

Result:
  - Infinite landfall triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Kodama of the East Tree must be on the battlefield
  - Helm of the Host must be on the battlefield
  - Selesnya Sanctuary must be in your hand
  - Helm of the Host attached to Kodama of the East Tree.
[END OF COMBO PREREQUISITES]
assistant