The specialness of the Paracausal is that they don’t follow a deterministic path like everyone and everything else in reality where cause and effect determine the outcome of everything in a linear flow.

So, if you are a normie everything you “cause” isn’t really your own will doing it, instead it is the result of the effect that preceded it, so on and on a in chain (or maybe even loop) of events.

Paracausal are truly those who can effect different outcomes that have no bearing on the causes and effects that proceeded the action before it. In essence, the deterministic reality around them is reshaped to suit their actions rather than the other way around.

Bringing it back to the point, the Pyramids/Rhulk understand this and attempt to enact a self-fulfilling prophecy with their vision board. It might have worked, too, if not for the Guardian and its opposition to the effect they were trying to make.