How can you create a combo with Weirding Shaman, Pitiless Plunderer, Ashnod's Altar, Primal Vigor?
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[START OF COMBO]This combo can be formed with Weirding Shaman, Pitiless Plunderer, Ashnod's Altar, Primal Vigor

Color identity: BG
Mana cost: {3}{B}
Steps:
  1. Activate Weirding Shaman by paying {3}{B} and sacrificing a Goblin.
  2. The Goblin dies, triggering Pitiless Plunderer, creating two Treasure tokens.
  3. Resolve the Weirding Shaman ability, creating four 1/1 Goblin Rogue creature tokens.
  4. Activate Ashnod's Altar by sacrificing a Goblin Rogue creature token, adding {C}{C}.
  5. The Goblin Rogue dies, triggering Pitiless Plunderer, creating two Treasure tokens.
  6. Activate two Treasure tokens by tapping and sacrificing them, adding {1}{B}.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite colorless mana
  - Infinite creature tokens
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite sacrifice triggers
  - Infinite Treasure tokens[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You control at least one additional Goblin.
[END OF COMBO PREREQUISITES]
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