If you dont have any good targets you can hold out for Disruptive Stormbrood, a smaller dragon with only a 3/3 stat line but it does get to blow up an artifact or enchantment when it comes into play
If you are lucky enough to open a textured foil, you just pulled one of the most valuable cards, and even the base version has a decent price if you don't get the fancy art treatment in your pack
Soulherder does everything a flicker deck could want in terms of value
the card can summon a creature called the World Champion, whose power and toughness are equal to the opposing players life
The ability to exchange one resource for another gives players plenty of choice on how best to use their creatures, lands, and spells to find winning combinations (more info on the theory behind that here)
These counters can fulfill the modified conditions on cards like Kodama of the West Tree, they can be used to combat opposing -1/-1 counter effects, and there are even effects life Damning Verdict or Wave Goodbye that break symmetry if you can get counters on your own creatures