How can you create a combo with Halvar, God of Battle // Sword of the Realms, Boss's Chauffeur, Phyrexian Altar?
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[START OF COMBO]This combo can be formed with Halvar, God of Battle // Sword of the Realms, Boss's Chauffeur, Phyrexian Altar

Color identity: W
Mana cost: {5}{W}{W}
Steps:
  1. Cast Boss's Chauffeur by paying {4}{W}, causing it to enter the battlefield with at least six +1/+1 counters on it.
  2. Activate Sword of the Realms' equip ability by paying {1}{W}, attaching it to Boss's Chauffeur.
  3. Activate Phyrexian Altar by sacrificing Boss's Chauffeur, adding {W}.
  4. When Boss's Chauffeur dies, its second ability and Sword of the Realms trigger.
  5. Resolve the Boss's Chauffeur trigger, creating at least six 1/1 Citizen creature tokens.
  6. Resolve the Sword of the Realms trigger, returning Boss's Chauffeur to your hand from your graveyard.
  7. Activate Phyrexian Altar six times by sacrificing six Citizens, adding {5}{W}.
  8. Repeat.
  9. If you control six or more creatures to start the combo, this combo will net infinite Citizen tokens, infinite +1/+1 counters on Boss's Chauffeur and infinite colored mana.[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters on Boss's Chauffeur
  - Infinite colored mana
  - Infinite creature tokens
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Halvar, God of Battle // Sword of the Realms must be on the battlefield
  - Boss's Chauffeur must be in your hand
  - Phyrexian Altar must be on the battlefield
  - You control at least five creatures.
[END OF COMBO PREREQUISITES]
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