Bizarre Monster Book Error

im gonna pick up a couple hhg1 cards on my gunner and see what happens. i am almost certain that picking up any new card will have the same effect. lets see if i can get max king slime cards predictably. will edit later.

 Spoiler

current:
4 bubbling
4 cold eye
2 wraith
2 STD
5 white golem
5 mix golem
1 king slime

 Spoiler

1 shroom card, no effect:
1 shroom
4 bubbling
4 cold eye
2 wraith
2 STD
5 white golem
5 mix golem
1 king slime

 Spoiler

1 dark stump card, no effect:
1 shroom
1 dark stump
4 bubbling
4 cold eye
2 wraith
2 STD
5 white golem
5 mix golem
1 king slime

where the hell is the spoiler button? i dont see it on magatia skin

edit: shroom card had no effect. going to ellin forest. >:/ @!#$%^