How can you create a combo with Isochron Scepter, Shallow Grave, Corridor Monitor, Ashnod's Altar?
user
[START OF COMBO]This combo can be formed with Isochron Scepter, Shallow Grave, Corridor Monitor, Ashnod's Altar

Color identity: UB
Mana cost: 
Steps:
  1. Activate Ashnod's Altar by sacrificing Corridor Monitor, adding {C}{C}.
  2. Activate Isochron Scepter by paying {2} and tapping it, casting a copy of Shallow Grave without paying its mana cost.
  3. Resolve Shallow Grave, returning Corridor Monitor from your graveyard to the battlefield.
  4. Corridor Monitor enters the battlefield, untapping Isochron Scepter.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite magecraft triggers
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Isochron Scepter must be on the battlefield
  - Shallow Grave must be exiled
  - Corridor Monitor must be on the battlefield
  - Ashnod's Altar must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant