How can you create a combo with Feign Death, Phyrexian Altar, Vampire Charmseeker?
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[START OF COMBO]This combo can be formed with Feign Death, Phyrexian Altar, Vampire Charmseeker

Color identity: UB
Mana cost: {B}
Steps:
  1. Cast Feign Death by paying {B}, targeting Vampire Charmseeker.
  2. Activate Phyrexian Altar by sacrificing Vampire Charmseeker, adding {B}.
  3. When Vampire Charmseeker dies, it triggers, returning it from your graveyard to the battlefield.
  4. When Vampire Charmseeker enters the battlefield, it triggers, returning Feign Death from your graveyard to your hand.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite magecraft triggers
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Feign Death must be in your hand
  - Phyrexian Altar must be on the battlefield
  - Vampire Charmseeker must be on the battlefield
[END OF COMBO PREREQUISITES]
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