How can you create a combo with Greenweaver Druid, Umbral Mantle, Mana Reflection?
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[START OF COMBO]This combo can be formed with Greenweaver Druid, Umbral Mantle, Mana Reflection

Color identity: G
Mana cost: 
Steps:
  1. Activate Greenweaver Druid by tapping it, adding {G}{G}{G}{G}.
  2. Activate Greenweaver Druid by paying {3} and untapping it, giving itself +2/+2 until end of turn.
  3. Repeat.[END OF COMBO STEPS]

Result:
  - Infinitely large Greenweaver Druid until end of turn
  - Infinite green mana[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Umbral Mantle attached to Greenweaver Druid.
  - Greenweaver Druid does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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