How can you create a combo with Dual Nature, Balthor the Defiled, Basal Sliver?
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[START OF COMBO]This combo can be formed with Dual Nature, Balthor the Defiled, Basal Sliver

Color identity: BG
Mana cost: {2}{B}{B}{B}
Steps:
  1. Cast Balthor by paying {2}{B}{B}.
  2. Balthor enters the battlefield, triggering Dual Nature's first ability, creating a token copy of Balthor.
  3. Put the nontoken Balthor into your graveyard due to the legend rule.
  4. Activate Basal Sliver by sacrificing it, adding {B}{B}.
  5. Activate the token Balthor by paying {B}{B}{B} and exiling it, returning all black and red creature cards from your graveyard to the battlefield.
  6. Balthor and Basal Sliver enter the battlefield, triggering Dual Nature's first ability twice.
  7. Resolve the first Dual Nature trigger, creating a token copy of Basal Sliver.
  8. Activate the token Basal Sliver by sacrificing it, adding {B}{B}.
  9. Resolve the second Dual Nature trigger, creating a token copy of Balthor.
  10. Repeat from step 3.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - Balthor in hand.
[END OF COMBO PREREQUISITES]
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