How can you create a combo with Quicksilver Elemental, Argothian Elder, Simic Ragworm?
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[START OF COMBO]This combo can be formed with Quicksilver Elemental, Argothian Elder, Simic Ragworm

Color identity: GU
Mana cost: 
Steps:
  1. Pay {U} using Quicksilver Elemental to target Simic Ragworm.
  2. Pay {U} using Quicksilver Elemental to target Argothian Elder.
  3. Tap Quicksilver Elemental for at least {C}{U}.
  4. Pay {U} to untap Quicksilver Elemental.
  5. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - Two lands that tap for blue.
[END OF COMBO PREREQUISITES]
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