S rank dungeon

when this card enters the Battlefield you put a creature under it and on your upkeep have that creature fight a 5/5 if that creature is defeated you may draw a card and give a +1+1 . on your next upkeep have equipped creature fight a 6/6 if the creature dies you may scary 1 and draw a card and heal 5. on your next upkeep have equipped creature fight a 7/7 if it dies you may scary 2 and draw a card and put a +1+1 counter on equipped creature and heal 5. on your next upkeep equipped creature fights the bos