fix & hint timings

c24658418 fixed being able to use facedown monsters
c41356845 flipping faceup and destroying occurs one after another
c4239451 fixed not being able to target facedown monsters
c56350972 fixed counting opponents cards
c78474168 fixed being able to target disabled cards
c88033975 fixed applying when being attacked while facedown

added hint timings on summon (e.g. to better respond before xyz summoning, etc)