To try and complete your master set wont be easy (or cheap), but thats the price you have to pay for one of the most hyped sets of the year
Many players would put it into their decks despite half their lands not being Forests, and as a result this ended up being far less effective than Zuran Orb despite its frustrating casting cost
On the defensive, it can serve to save your creatures from opponents combat tricks, but thats far more narrow a use case
Destroy all creatures While white has the more iconic mass-creature-kill spells, black, as the color of creature kill, has no problem killing all (or all but a subset) of the creatures
this isnt a Basic Energy instead, Dragon Pokemon attacks are powered by at least two different types of Energy (Water and Fighting, for example)