C rank dungeon

when this enters the Battlefield put a creature under it that creature fights a 3/3 if it dies you may draw a card. on your upkeep you fight a 4/4 if it dies you may draw a card and create a 1/1 shadow knight. on your upkeep you fight a 5/5 if it dies you may scary 1 draw a card and create a 1/1 shadow knight. on your upkeep you fight a 6/6 if it dies you may scry 1 draw 1 and create 3 1/1 shadow knight and discard this card