At the very least, it lets you move some cards out of the way you dont need, and will often get you some extra gas along the way for one mana and a tap
Focus on getting tutors like Jim Hawkins, or discard recursion like I Won't Give In should be more important than keeping an otherwise milquetoast Pirate like Owl just for the sake of having one in your hand
If youre after personal copies of any of the Godzilla cards then Id advise picking them up as soon as you can, because the only way is up from here
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Overall I believe that Rakdos Headliner is a solid play for aggro and graveyard-centric Rakdos decks
Since everyone is playing their own game, most players will relish the chance to get rid of an opposing threat