How can you create a combo with Haakon, Stromgald Scourge, Morophon, the Boundless, Nameless Inversion, Stone Calendar?
user
[START OF COMBO]This combo can be formed with Haakon, Stromgald Scourge, Morophon, the Boundless, Nameless Inversion, Stone Calendar

Color identity: WUBRG
Mana cost: 
Steps:
  1. Cast Nameless Inversion from your graveyard, as it is a Knight card, by paying {0} due to Stone Calendar and Morophon, giving a creature +3/-3 until end of turn.
  2. If the creature has toughness 0 or less, the creature dies as a state-based action.
  3. Repeat as desired.[END OF COMBO STEPS]

Result:
  - Reduce any number of target creatures' toughness to zero
  - Reduce any creature's toughness to zero when it enters the battlefield[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Haakon, Stromgald Scourge must be on the battlefield
  - Morophon, the Boundless must be on the battlefield
  - Nameless Inversion must be in your hand or in the graveyard
  - Stone Calendar must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant