Set Boosters are the most fun Streets of New Capenna boosters to open: the commons and uncommons tell little stories, there's a guaranteed foil and art card in every booster, and 30% of Set Boosters contain at least two rares or mythic rares
4 swirls Premium for Swirls in holographics Mr.Pooperz I mean Parkers fart swirl thread Can I see your swirls
And hey, if you're running Raichu (whose Powerful Spark attack could end up doing some significant damage if your deck relies on Lightning Energy), this card is an adorable way to get it into play
Or, you know, you could splash out $20 and grab yourself Gisela, the Broken Blade, who costs one more mana, nearly doubles the Thunder Bird's stats, is a legendary, and has Lifelink while also being a flying creature with first strike
Zendikar Rising has plenty of aggressive creatures, by the looks of things, so Ruin Crabs extra point of toughness may be relevant