Haunted One + Thornbite Staff + Viscera Seer + Xavier Sal, Infested Captain

BGU identity

Commander legal

The 4 combo pieces

What must be in place

There is at least one counter on a permanent you control except Xavier Sal.
Xavier Sal does not have summoning sickness.
Thornbite Staff attached to Xavier Sal.
You control at least one additional nontoken Human, Fungus and/or Pirate that has no more than one +1/+1 counter on it.

How to execute it

  1. Activate Xavier Sal's first ability by tapping it and removing a +1/+1 counter from the additional nontoken Human, Fungus and/or Pirate if it has one, or any counter from another permanent you control otherwise.
  2. Xavier Sal triggers, causing it and all other creatures you control that share a creature type with it to get +2/+0 and gain undying until end of turn.
  3. Resolve the Xavier Sal ability, causing you to populate.
  4. Activate Viscera Seer by sacrificing the additional Human, Fungus and/or Pirate.
  5. When the creature dies, its undying ability and Xavier Sal trigger.
  6. Resolve the creature's undying trigger, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  7. Resolve the Xavier Sal trigger, untapping it.
  8. Resolve the Viscera Seer ability, causing you to scry 1.
  9. Repeat.

What the combo produces