How can you create a combo with Tatsunari, Toad Rider, Carnival of Souls, Cloudstone Curio, Hateful Eidolon, Gnarled Scarhide?
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[START OF COMBO]This combo can be formed with Tatsunari, Toad Rider, Carnival of Souls, Cloudstone Curio, Hateful Eidolon, Gnarled Scarhide

Color identity: BGU
Mana cost: {B}
Steps:
  1. Cast Hateful Eidolon by paying {B}.
  2. Tatsunari triggers, creating a 3/3 Keimi legendary creature token.
  3. Keimi enters the battlefield, triggering Cloudstone Curio and Carnival of Souls.
  4. Resolve the Cloudstone Curio trigger, returning nothing from the battlefield to your hand.
  5. Resolve the Carnival of Souls trigger, causing you to lose 1 life and add {B}.
  6. Hateful Eidolon enters the battlefield, triggering Cloudstone Curio and Carnival of Souls.
  7. Resolve the Cloudstone Curio trigger, returning Gnarled Scarhide from the battlefield to your hand.
  8. Resolve the Carnival of Souls trigger, causing you to lose 1 life and add {B}.
  9. Cast Gnarled Scarhide by paying {B}.
  10. Keimi triggers, causing each opponent to lose 1 life and you to gain 1 life.
  11. Gnarled Scarhide enters the battlefield, triggering Cloudstone Curio and Carnival of Souls.
  12. Resolve the Cloudstone Curio trigger, returning Hateful Eidolon from the battlefield to your hand.
  13. Resolve the Carnival of Souls trigger, causing you to lose 1 life and add {B}.
  14. Cast Hateful Eidolon by paying {B}.
  15. Keimi triggers, causing each opponent to lose 1 life and you to gain 1 life.
  16. Repeat from step 6.[END OF COMBO STEPS]

Result:
  - Infinite enters the battlefield
  - Infinite lifegain triggers
  - Infinite lifeloss
  - Infinite leaves the battlefield
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Tatsunari, Toad Rider must be on the battlefield
  - Carnival of Souls must be on the battlefield
  - Cloudstone Curio must be on the battlefield
  - Hateful Eidolon must be in your hand
  - Gnarled Scarhide must be on the battlefield
  - Your life total is at least four.
[END OF COMBO PREREQUISITES]
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