How can you create a combo with Spectral Arcanist, Corpse Dance, Ashnod's Altar, Mind Over Matter?
user
[START OF COMBO]This combo can be formed with Spectral Arcanist, Corpse Dance, Ashnod's Altar, Mind Over Matter

Color identity: UB
Mana cost: {2}{B}
Steps:
  1. Cast Corpse Dance by paying {2}{B}, returning Spectral Arcanist from your graveyard to the battlefield with haste.
  2. Spectral Arcanist enters the battlefield, triggering its ability.
  3. Holding priority, activate Ashnod's Altar by sacrificing Spectral Arcanist, adding {C}{C}.
  4. Resolve the Spectral Arcanist trigger, casting Corpse Dance from your graveyard with buyback by paying {2}.
  5. Resolve Corpse Dance, returning Spectral Arcanist from your graveyard to the battlefield, and returning Corpse Dance to your hand.
  6. Spectral Arcanist enters the battlefield, triggering its ability.
  7. Holding priority, activate Mind over Matter by discarding Corpse Dance, untapping any applicable permanent.
  8. Repeat from step 3.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite magecraft triggers
  - Infinite mana permanents you control can produce
  - Infinite sacrifice triggers
  - Infinite self-discard triggers
  - Infinite storm count
  - Infinite untap of permanents you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Spectral Arcanist must be on the battlefield
  - Corpse Dance must be in your hand
  - Ashnod's Altar must be on the battlefield
  - Mind Over Matter must be on the battlefield
  - You control at least two additional Spirits.
[END OF COMBO PREREQUISITES]
assistant