How can you create a combo with Extus, Oriq Overlord // Awaken the Blood Avatar, Dualcaster Mage, Jeska's Will, Phyrexian Altar?
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[START OF COMBO]This combo can be formed with Extus, Oriq Overlord // Awaken the Blood Avatar, Dualcaster Mage, Jeska's Will, Phyrexian Altar

Color identity: RWB
Mana cost: {3}{R}{R}{R}
Steps:
  1. Cast Jeska's Will by paying {2}{R}.
  2. Extus triggers, returning either Dualcaster Mage or any other nonlegendary creature card from your graveyard to your hand.
  3. Holding priority, cast Dualcaster Mage by paying {1}{R}{R}.
  4. Dualcaster Mage enters the battlefield, targeting Jeska's Will.
  5. Activate Phyrexian Altar by sacrificing Dualcaster Mage, adding {R}.
  6. Resolve the Dualcaster Mage trigger, creating a copy of Jeska's Will.
  7. Extus triggers, returning Dualcaster Mage from your graveyard to your hand.
  8. Resolve the copy of Jeska's Will, adding at least {R}{R}{R}.
  9. Repeat from step 3.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite magecraft triggers
  - Infinite red mana
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Extus, Oriq Overlord // Awaken the Blood Avatar must be on the battlefield
  - Dualcaster Mage must be in your hand or in the graveyard
  - Jeska's Will must be in your hand
  - Phyrexian Altar must be on the battlefield
  - An opponent has at least three cards in hand.
[END OF COMBO PREREQUISITES]
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