How can you create a combo with Springheart Nantuko, Dryad Arbor, Nissa, Who Shakes the World, Concordant Crossroads?
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[START OF COMBO]This combo can be formed with Springheart Nantuko, Dryad Arbor, Nissa, Who Shakes the World, Concordant Crossroads

Color identity: G
Mana cost: {1}{G}
Steps:
  1. Play any land from your hand.
  2. When the land enters the battlefield, Springheart Nantuko triggers, causing you to pay {1}{G} to create a token copy of Dryad Arbor.
  3. When the Dryad Arbor token enter the battlefield, Springheart Nantuko triggers.
  4. Holding priority, activate the Dryad Arbor token by tapping it, adding {G}.
  5. Nissa triggers, adding {G}.
  6. Resolve the Springheart Nantuko trigger, causing you to pay {1}{G} to create a token copy of Dryad Arbor.
  7. Repeat from step 3.[END OF COMBO STEPS]

Result:
  - Infinite enters the battlefield
  - Infinite landfall triggers
  - Infinite tapped creature tokens
  - Infinite tapped Forest tokens[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You have at least one land card in hand.
  - You are able to play a land this turn.
[END OF COMBO PREREQUISITES]
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