How can you create a combo with Dualcaster Mage, Breaking // Entering, Ashnod's Altar?
user
[START OF COMBO]This combo can be formed with Dualcaster Mage, Breaking // Entering, Ashnod's Altar

Color identity: UBR
Mana cost: {5}{B}{R}{R}{R}
Steps:
  1. Cast Entering by paying {4}{B}{R}, targeting any creature card in a graveyard.
  2. Holding priority, cast Dualcaster Mage by paying {1}{R}{R}.
  3. When Dualcaster Mage enters the battlefield, it triggers, targeting Entering.
  4. Holding priority, activate Ashnod's Altar by sacrificing Dualcaster Mage, adding {C}{C}.
  5. Resolve the Dualcaster Mage ability, creating a copy of Entering, targeting Dualcaster Mage.
  6. Resolve the copy of Entering, returning Dualcaster Mage from your graveyard to the battlefield.
  7. Repeat from step 3.
  8. Optionally, you may cast both Breaking and Entering if you have an additional {U}{B} available to infinitely mill any number of players.[END OF COMBO STEPS]

Result:
  - Infinite colorless mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite magecraft triggers
  - Infinite mill
  - Infinite sacrifice triggers
  - Infinite self-mill[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Dualcaster Mage must be in your hand
  - Breaking // Entering must be in your hand
  - Ashnod's Altar must be on the battlefield
  - There is at least one creature card in a graveyard.
[END OF COMBO PREREQUISITES]
assistant