The extra two cards off the top give you that much more advantage your following turn, hopefully keeping you from two for one-ing yourself and wasting several turns trying to stick an artifact
YouTuber TrustYourPilot Pokemon has a good overview of some of the decks that have been performing with Dragapult, below: Dragapult EX has a fairly cheap, very powerful attack, which deals 200 damage and places a further six damage counters on your opponent's benched Pokmon for just two energy (admittedly, energy of different colors)
Rhuk, Hexgold Nabber adds two desirable abilities for dealing Commander damage, but is not the typical voltron commander
It is like awaken (as seen on Part the Waterveil) in that it animates your land, but if it dies or would be exiled, your land returns to the battlefield tapped
The ones of you participating at the Wizard's Tournament don't have to worry too much about the referee holding grudges or being unfair though