one piece op 2 booster box OP-12 Legacy of the Master allowing newcomers to quickly catch up to experienced players! One Piece TCG OP-02 Paramount

That said, it is a battle, it's cheap, and it fills the graveyard, which could be relevant in decks with a card-type-matters theme built around Atraxa, Grand Unifier or Tarmogoyf

As long as it hasn't previously been opened and you don't know the contents beforehand, you're good

What is significant is that your opponent can send the creature to their graveyard

They can't counter Dromoka, and then they can't kill Dromoka for a round until their turn arrives and they can cast removal on their turn

And as someone who has cast Boom // Bust on a Darksteel Citadel plenty of times, there are a lot of options to choose from