Chimney Imp is bad enough to make this list (a 1/2 flyer for five mana is really below rate), but it gives you card advantage (usually) when it dies
While players are certainly enjoying the artwork on the new Pride of the Perfect, from the Shadowhearts Devotion drop, its not a very valuable card
Because of this, these two attackers, plus control Stadium Path to Peak, allow for flexible gameplay that can quickly counter your opponents deckall while not hampering your own ability to strike hard
Some prowl cards have enters-the-battlefield abilities or additional effects if their prowl costs were paid
And because Voja is in Naya colors, you also get access to reds haste enablers so Voja can come down and start pressuring the table immediately
(Which is also how many Pack Points you need to spend on the rarest of cards.) For this reason, it's a good idea to spend your Pack Points wisely by considering what you want to use them for