How can you create a combo with Filigree Sages, Prototype Portal, Lotus Bloom, Biomancer's Familiar?
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[START OF COMBO]This combo can be formed with Filigree Sages, Prototype Portal, Lotus Bloom, Biomancer's Familiar

Color identity: GU
Mana cost: 
Steps:
  1. Activate Prototype Portal by paying {0} and tapping it, creating a token copy of Lotus Bloom.
  2. Activate the Lotus Bloom token by tapping and sacrificing it, adding {U}{U}{U}.
  3. Activate Filigree Sages by paying {U}, untapping Prototype Portal.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite Lotus Bloom tokens
  - Infinite mana artifacts you control can produce
  - Infinite untap of artifacts you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Filigree Sages must be on the battlefield
  - Prototype Portal must be on the battlefield
  - Lotus Bloom must be exiled
  - Biomancer's Familiar must be on the battlefield
[END OF COMBO PREREQUISITES]
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