What is wyrd?
In Norse thought, wyrd (the Old English cousin of Old Norse urðr) is the web of what has happened and what it sets in motion, and everyone is woven into it. The three Norns, Urðr, Verðandi and Skuld, tend it at the foot of Yggdrasil.
Most readings deal you cards. This one hands you the tangle instead and asks you to reach in. Which five you are drawn to is part of the answer, which is why the order you choose them in matters, and why the first card you grab carries the most.