How can you create a combo with Hive Mind, Doomsday, Ashiok, Dream Render?
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[START OF COMBO]This combo can be formed with Hive Mind, Doomsday, Ashiok, Dream Render

Color identity: UB
Mana cost: {B}{B}{B}
Steps:
  1. Activate Ashiok by removing a loyalty counter from it, causing target player to mill four cards and exiling each opponent's graveyard.
  2. Cast Doomsday by paying {B}{B}{B}.
  3. Hive Mind triggers, causing each opponent to copy Doomsday.
  4. Resolve an opponent's Doomsday, causing them to exile their library and not search for any cards due to Ashiok, and lose half their life total, rounded up.
  5. Repeat step 4 for each remaining opponent.
  6. Resolve your Doomsday, searching your library and/or graveyard for five cards, exiling the rest of your library and graveyard, and putting the five chosen cards on top of your library in any order, and losing half your life total, rounded up.[END OF COMBO STEPS]

Result:
  - Exile each opponent's library
  - Near-infinite lifeloss[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Hive Mind must be on the battlefield
  - Doomsday must be in your hand
  - Ashiok, Dream Render must be on the battlefield
  - Your life total is at least 2.
  - Ashiok has at least two loyalty counters on it.
[END OF COMBO PREREQUISITES]
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