How can you create a combo with Iridescent Drake, Kaya's Ghostform, Viscera Seer?
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[START OF COMBO]This combo can be formed with Iridescent Drake, Kaya's Ghostform, Viscera Seer

Color identity: UB
Mana cost: 
Steps:
  1. Activate Viscera Seer by sacrificing Iridescent Drake.
  2. When Iridescent Drake dies, Kaya's Ghostform triggers, returning Iridescent Drake from your graveyard to the battlefield.
  3. When Iridescent Drake enters the battlefield, it triggers, returning Kaya's Ghostform from your graveyard to the battlefield attached to Iridescent Drake.
  4. Resolve the Viscera Seer ability from step 1, causing you to scry 1.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite scry 1[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Kaya's Ghostform attached to Iridescent Drake.
[END OF COMBO PREREQUISITES]
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