In this case you always get a 5/4 Shark with flash no matter what, and if there was an artifact or creature on the stack then you'll counter it
For the longest time (basically until Counterspell was printed in Modern), Thoughtseize, and to a lesser extent Inquisition of Kozilek, were the only major universal disruption spells in Modern
If the target creature card is an illegal target as Golbez, Crystal Collector's last ability tries to resolve, it won't resolve and none of its effects will happen
By synergizing with what white does best, playing auras, enchantments, and equipment, activating this trios draw effects are a cakewalk
However, once in play, she can devastate your opponents
While Howler could just make himself huge with a wheelwheel and win with commander damage, the combat damage rider makes you actually want to spread his ability out, as does common sense saying that anyone could just chump block your 19/4 Shark Pirate