How can you create a combo with Selvala, Heart of the Wilds, Thornbite Staff, Mortuary, Kroxa, Titan of Death's Hunger?
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[START OF COMBO]This combo can be formed with Selvala, Heart of the Wilds, Thornbite Staff, Mortuary, Kroxa, Titan of Death's Hunger

Color identity: BRG
Mana cost: {B}{R}{G}
Steps:
  1. Cast Kroxa by paying {B}{R}.
  2. When Kroxa enters the battlefield, it triggers twice, as well as Selvala.
  3. Activate Selvala by paying {G} and tapping it, adding {3}{B}{R}{G}.
  4. Resolve the first Kroxa trigger, causing you to sacrifce it.
  5. When Kroxa dies, Selvala and Mortuary trigger.
  6. Resolve the Selvala trigger, untapping it.
  7. Resolve the Mortuary trigger, putting Kroxa on top of your library from your graveyard.
  8. Resolve the second Kroxa trigger, causing each opponent to discard a card and then lose three life if they didn't discard a nonland card.
  9. Resolve the Selvala trigger from step 2, causing you to draw Kroxa from your library.
  10. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite death triggers
  - Infinite draw triggers
  - Infinite enters the battlefield
  - Infinite lifeloss
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Selvala, Heart of the Wilds must be on the battlefield
  - Thornbite Staff must be on the battlefield
  - Mortuary must be on the battlefield
  - Kroxa, Titan of Death's Hunger must be in your hand
  - There is not a creature on the battlefield with power 6 or greater.
  - Thornbite Staff attached to Selvala.
  - Selvala does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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