Concordant Crossroads + Weaver of Harmony Combos

1 known combo featuring both cards in Commander

Infinite colored mana Infinite ETB Infinite LTB Infinite storm count

Combo 1 with Patron of the Orochi + Colossal Skyturtle + Phantasmal Image

Also requires: Patron of the Orochi Patron of the Orochi Colossal Skyturtle Colossal Skyturtle Phantasmal Image Phantasmal Image
Results: Infinite colored mana · Infinite ETB · Infinite LTB · Infinite storm count
Steps
  1. Tap Forests and/or green creatures to add at least {2}{U}{G}{G}.
  2. Pay {2}{G} and discard Colossal Skyturtle to activate its first activated ability, targeting Phantasmal Image.
  3. In response, pay {G} and tap Weaver of Harmony to activate it, copying Colossal Skyturtle's ability and choosing Colossal Skyturtle as the target.
  4. Resolve all abilities, returning Phantasmal Image and Colossal Skyturtle to your hand.
  5. Tap Patron of the Orochi to activate it, untapping all Forests and green creatures.
  6. Pay {1}{U} to cast and resolve Phantasmal Image, having it enter as a copy of Patron of the Orochi.
  7. Put the original Patron of the Orochi into the graveyard due to the legend rule.
  8. Tap Forests and/or green creatures to add at least {3}{G}{G}.
  9. Pay {2}{G} and discard Colossal Skyturtle to activate its first activated ability, targeting Patron of the Orochi.
  10. Pay {G} and tap Weaver of Harmony to activate it, copying Colossal Skyturtle's ability and choosing Colossal Skyturtle as the target.
  11. Resolve all abilities, returning Patron of the Orochi and Colossal Skyturtle to your hand.
  12. Tap Phantasmal Image to activate it, untapping all Forests and green creatures.
  13. Sacrifice Phantasmal Image and pay {0} to cast Patron of the Orochi for its snake offering cost.
  14. Repeat.
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