How can you create a combo with Xavier Sal, Infested Captain, Herd Baloth, Thornbite Staff?
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[START OF COMBO]This combo can be formed with Xavier Sal, Infested Captain, Herd Baloth, Thornbite Staff

Color identity: BGU
Mana cost: 
Steps:
  1. Activate Xavier Sal's second ability by tapping it and sacrificing any other creature you control.
  2. When the creature dies, Xavier Sal triggers, untapping Xavier Sal.
  3. Resolve the Xavier Sal ability from step 1, putting a +1/+1 counter on Herd Baloth.
  4. Herd Baloth triggers, creating a 4/4 Beast creature token.
  5. Repeat.
  6. Once you have infinite +1/+1 counters on Herd Baloth, you may instead use Xavier Sal's first ability to get infinite copies of creature tokens you control.[END OF COMBO STEPS]

Result:
  - Infinite +1/+1 counters on Herd Baloth
  - Infinite copies of creature tokens you control
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite proliferate
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You control at least one additional creature.
  - Xavier Sal does not have summoning sickness.
  - Herd Baloth has at least one +1/+1 counter on it.
  - Thornbite Staff attached to Xavier Sal.
[END OF COMBO PREREQUISITES]
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