Beacon combined with Octillery (Breakthrough) or Inteleon (Sword and Shield) can allow for some explosive early turns
Its just an all round, cheap, affordable, decent top loader for those not wanting to splash out
Royal Treatment isn't entirely a one-off effect since it grants the Royal role, with ward 1 being appreciable protection after the fact and +1/+1 being a fine boost for any trampling threat
Chainer punishes greedy opponents while you race them to the finish
While Battle Styles will include all the things that define the Sword & Shield TCG series, such as VMAX cards, the big new mechanic is, as the name suggest, battle styles
New cards are often looked at in terms of how they factor into the standard format for the Pokemon TCG, although they can also form a deck that could end up being top tier