How can you create a combo with Myr Welder, Biotransference, Empowered Autogenerator, Duergar Mine-Captain?
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[START OF COMBO]This combo can be formed with Myr Welder, Biotransference, Empowered Autogenerator, Duergar Mine-Captain

Color identity: RWB
Mana cost: {1} (at most)
Steps:
  1. Activate Myr Welder using Empowered Autogenerator's ability by tapping it, putting a charge counter on Myr Welder and adding {R} or {W} for each charge counter on Myr Welder.
  2. Activate Myr Welder using Duergar Mine-Captain's ability by paying {1}{R/W} and untapping it, giving attacking creatures +1/+0 until end of turn.
  3. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite charge counters on Myr Welder
  - Infinite colored mana
  - Infinitely powerful attacking creatures until end of turn[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Myr Welder must be on the battlefield
  - Biotransference must be on the battlefield
  - Empowered Autogenerator must be exiled
  - Duergar Mine-Captain must be exiled
  - Myr Welder does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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