B rank dungeon

when this enters the Battlefield put a creature under it fight a 3/3 if it dies you may create a 1/1 shadow knight.on you next upkeep you fight a 4/4 if it dies you may draw a card and create a 1/1 shadow knight. on you next upkeep you fight a 5/5 if it dies you may scry 1 draw a card and create 2 1/1 shadow knight. on you next upkeep you fight the boss 7/7 if it dies you may scry 2 draw 2 and create a 1/1 shadow knight and heal 5 and discard this card