How can you create a combo with Marina Vendrell, Thornbite Staff, Spiked Corridor // Torture Pit, Altar of Dementia?
user
[START OF COMBO]This combo can be formed with Marina Vendrell, Thornbite Staff, Spiked Corridor // Torture Pit, Altar of Dementia

Color identity: WUBRG
Mana cost: 
Steps:
  1. Activate Marina by tapping it, unlocked Spiked Corridor.
  2. Spiked Corridor triggers, creating three 1/1 Devil creature tokens.
  3. Activate Altar of Dementia by sacrificing a Devil.
  4. When the Devil dies, it and Marina trigger.
  5. Resolve the Devil's trigger, dealing 1 damage to any target.
  6. Resolve the Marina trigger, untapping it.
  7. Resolve the Altar of Dementia ability, causing target player to mill cards equal to the sacrificed creature's power.
  8. Activate Marina by tapping it, locking Spiked Corridor.
  9. Repeat steps 3 through 7 one additional time.
  10. Repeat from step 1.[END OF COMBO STEPS]

Result:
  - Infinite leaves the battlefield
  - Infinite enters the battlefield
  - Infinite sacrifice triggers
  - Infinite death triggers
  - Infinite mill
  - Infinite self-mill
  - Infinite damage[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Marina does not have summoning sickness.
  - Thornbite Staff attached to Marina.
  - Spiked Corridor is locked.
[END OF COMBO PREREQUISITES]
assistant