How can you create a combo with Biovisionary, Increasing Vengeance, Croaking Counterpart?
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[START OF COMBO]This combo can be formed with Biovisionary, Increasing Vengeance, Croaking Counterpart

Color identity: GUR
Mana cost: {4}{G}{U}{R}{R}
Steps:
  1. Cast Croaking Counterpart by paying {1}{G}{U}, targeting Biovisionary.
  2. Holding priority, cast Increasing Vengeance from your graveyard for its flashback cost by paying {3}{R}{R}, copying Croaking Counterpart twice, with both copies targeting Biovisionary.
  3. Resolve all Croaking Counterparts, creating three token copies of Biovisionary that are 1/1 Frogs.
  4. At the beginning of your end step, each Biovisionary triggers.
  5. Resolve the first trigger, causing you to win the game.[END OF COMBO STEPS]

Result:
  - Win the game[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Biovisionary must be on the battlefield
  - Increasing Vengeance must be in the graveyard
  - Croaking Counterpart must be in your hand
[END OF COMBO PREREQUISITES]
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