How can you create a combo with Duergar Mine-Captain, Nyxbloom Ancient, Cryptolith Rite?
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[START OF COMBO]This combo can be formed with Duergar Mine-Captain, Nyxbloom Ancient, Cryptolith Rite

Color identity: RGW
Mana cost: {1}{R/W}
Steps:
  1. Declare Duergar Mine-Captain as an attacker.
  2. Activate Duergar Mine-Captain by paying {1}{R/W} and untapping it, causing all attacking creatures to gain +1/+0 until end of turn.
  3. Activate Duergar Mine-Captain by tapping it, adding three mana of {R} or {W}.
  4. Repeat from step 2.[END OF COMBO STEPS]

Result:
  - Infinite colored mana that can only be spent during combat phase
  - Infinitely large attacking creature[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Duergar Mine-Captain does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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