How can you create a combo with Unstoppable Slasher, Hex Parasite, Ashnod's Altar, Dross Harvester?
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[START OF COMBO]This combo can be formed with Unstoppable Slasher, Hex Parasite, Ashnod's Altar, Dross Harvester

Color identity: B
Mana cost: 
Steps:
  1. Activate Ashnod's Altar by sacrificing Unstoppable Slasher, adding {C}{C}.
  2. When Unstoppable Slasher dies, its second ability and Dross Harvester's second ability trigger.
  3. Resolve the Unstoppable Slasher trigger, returning itself from your graveyard to the battlefield with two stun counters on it.
  4. Resolve the Dross Harvester trigger, causing you to gain 2 life.
  5. Activate Hex Parasite by paying {2} and 2 life, removing both stun counters from Unstoppable Slasher and giving Hex Parasite +2/+0 until end of turn.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite leaves the battlefield
  - Infinite enters the battlefield
  - Infinite sacrifice triggers
  - Infinite death triggers
  - Infinite lifegain triggers
  - Infinitely powerful Hex Parasite until end of turn[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Unstoppable Slasher does not have a counter on it.
[END OF COMBO PREREQUISITES]
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