How can you create a combo with Naru Meha, Master Wizard, Breach the Multiverse, Ashnod's Altar?
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[START OF COMBO]This combo can be formed with Naru Meha, Master Wizard, Breach the Multiverse, Ashnod's Altar

Color identity: UB
Mana cost: {7}{U}{U}{B}{B}
Steps:
  1. Cast Breach the Multiverse by paying {5}{B}{B}.
  2. Holding priority, cast Naru Meha by paying {2}{U}{U}.
  3. When Naru Meha enters the battlefield, it triggers, copying Breach the Multiverse.
  4. Activate Ashnod's Altar by sacrificing Naru Meha, adding {C}{C}.
  5. Resolve the copy of Breach the Multiverse, causing each player to mill ten cards, then causing you to put a creature or planeswalker card from each opponent's graveyard onto the battlefield under your control, and return Naru Meha from your graveyard to the battlefield.
  6. Repeat from step 3.[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
  - Put all creature and planeswalker cards from each opponent's library and graveyard onto the battlefield under your control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Naru Meha, Master Wizard must be in your hand
  - Breach the Multiverse must be in your hand
  - Ashnod's Altar must be on the battlefield
[END OF COMBO PREREQUISITES]
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