That means its subject to cost-reducers, like Defiler of Faith and Heralds Horn
Usually the Turn 4 attack with two Construct tokens is lethal by itself, discounting the other creatures and payoff you draw, and this forces your combo opponent to interact or to go for the combo without having enough time to set up
Creatures like Cunning Nightbonder and Slitherwisp let you play threats at instant speed to back up Nymris
like Fire, Water, Electric, and Psychicand that plays a huge role in how you build your deck
Nonetheless, Silk, Web WeaverSilk, Web Weaver makes good use of it: It almost ensures you're going to get the bodies needed to recast it and it can also count on a nice board-pumping ability that synergizes very well with its threatening static ability
Heres how: Have Protean Hulk die, tutoring out Phyrexian Delver and Viscera Seer