Youll be fine whichever one you pick, but there are things about every one of these that make them more or less suitable for beginners and veterans of the game
this turn, that Pendulum Summoned monster cannot attack, also its effects are negated
As long as you can protect your own, your vampires need never see the true release of death
The structure to accomplish that wasn't something I wanted to pursue in the meta (it wasn't as valuable in testing) and in doing so, was able to better mitigate the usual downsides of the full playset of Arias (duplicates in hand are costly, she's a poor top deck, etc)
and if you do, inflict 500 damage to your opponent
Sadly, the precon only comes with 4 legendary lands and I feel this would have been an amazing opportunity to increase the quality of the land base a little more here compared to other recent precons