How can you create a combo with Koll, the Forgemaster, Phyrexian Altar, Obsidian Battle-Axe, Spear Spewer?
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[START OF COMBO]This combo can be formed with Koll, the Forgemaster, Phyrexian Altar, Obsidian Battle-Axe, Spear Spewer

Color identity: RW
Mana cost: {R}
Steps:
  1. Cast Spear Spewer by paying {R}.
  2. Spear Spewer enters the battlefield, triggering Obsidian Battle-Axe, attaching it to Spear Spewer and giving it haste.
  3. Activate Spear Spewer by tapping it, dealing 1 damage to each player.
  4. Activate Phyrexian Altar by sacrificing Spear Spewer, adding {R}.
  5. Koll triggers, returning Spear Spewer from your graveyard to your hand.
  6. Repeat until all opponents with a lower life total than your own have lost the game.[END OF COMBO STEPS]

Result:
  - Infinite damage to all players
  - Near-infinite death triggers
  - Near-infinite enters the battlefield
  - Near-infinite leaves the battlefield
  - Near-infinite sacrifice triggers
  - Near-infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Koll, the Forgemaster must be on the battlefield
  - Phyrexian Altar must be on the battlefield
  - Obsidian Battle-Axe must be on the battlefield
  - Spear Spewer must be in your hand
  - Your life total is greater than an opponent's.
[END OF COMBO PREREQUISITES]
assistant