How can you create a combo with Quicksilver Elemental, Locust Swarm, Incubation Druid?
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[START OF COMBO]This combo can be formed with Quicksilver Elemental, Locust Swarm, Incubation Druid

Color identity: GU
Mana cost: {U}
Steps:
  1. Activate Quicksilver Elemental by paying {U}, targeting Incubation Druid.
  2. Activate Quicksilver Elemental using Incubation Druid's second ability by tapping it, adding {G}{G}{G}.
  3. Activate Quicksilver Elemental by paying {U}, targeting Locust Swarm.
  4. Activate Quicksilver Elemental using Locust Swarm's second ability by paying {G}, untapping it.
  5. Repeat from step 2.[END OF COMBO STEPS]

Result:
  - Infinite colored mana[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Quicksilver Elemental has at least one +1/+1 counter on it.
  - Quicksilver Elemental does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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