How can you create a combo with Necrotic Ooze, Triskelion, Phyrexian Devourer?
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[START OF COMBO]This combo can be formed with Necrotic Ooze, Triskelion, Phyrexian Devourer

Color identity: B
Mana cost: 
Steps:
  1. Activate Necrotic Ooze using Phyrexian Devourer's ability by exiling the top card of your library, putting a number of +1/+1 counters on Necrotic Ooze equal to the card's mana value.
  2. Repeat step 1 until the number of +1/+1 counters on Necrotic Ooze is at least equal to the sum of your opponents' life totals.
  3. Activate Necrotic Ooze using Triskelion's ability by removing a +1/+1 counter from it, dealing 1 damage to any target.
  4. Repeat step 3 until all opponents have taken lethal damage.[END OF COMBO STEPS]

Result:
  - Near-infinite damage[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Necrotic Ooze must be on the battlefield
  - Triskelion must be in the graveyard
  - Phyrexian Devourer must be in the graveyard
  - The combined mana value of cards in your library is greater than or equal to the sum of your opponents' life totals.
[END OF COMBO PREREQUISITES]
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