How can you create a combo with Duskmantle Guildmage, Mindcrank?
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[START OF COMBO]This combo can be formed with Duskmantle Guildmage, Mindcrank

Color identity: UB
Mana cost: {1}{U}{B} plus an additional {2}{U}{B} for each opponent you have
Steps:
  1. Activate Duskmantle Guildmage's first ability by paying {1}{U}{B}, causing your opponent to lose life whenever a card is put into their graveyard this turn.
  2. Activate Duskmantle Guildmage's second ability by paying {2}{U}{B}, causing an opponent to mill two cards.
  3. Duskmantle Guildmage triggers twice.
  4. Resolve the first trigger, causing the opponent to lose 1 life.
  5. Mindcrank triggers, causing the opponent to mill a card.
  6. Duskmantle Guildmage triggers, causing the opponent to lose 1 life.
  7. Repeat from step 5 until the opponent has a life total of zero, causing them to lose the game.
  8. Repeat from step 2 for each other opponent.[END OF COMBO STEPS]

Result:
  - Each opponent loses the game
  - Infinite mill
  - Near-infinite lifeloss[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Each opponent has a life total that is less than or equal to their library size.
[END OF COMBO PREREQUISITES]
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