How can you create a combo with Robaran Mercenaries, Fain, the Broker, Alena, Kessig Trapper, Mycosynth Lattice?
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[START OF COMBO]This combo can be formed with Robaran Mercenaries, Fain, the Broker, Alena, Kessig Trapper, Mycosynth Lattice

Color identity: RWB
Mana cost: 
Steps:
  1. Activate Robaran Mercenaries using Alena's ability by tapping it, adding at least {5}.
  2. Activate Robaran Mercenaries using Fain's fourth ability by paying {4}, untapping Robaran Mercenaries.
  3. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - Robaran Mercenaries does not have summoning sickness.
  - You control a creature with power 5 or greater that entered the battlefield this turn.
[END OF COMBO PREREQUISITES]
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