While Groudon and Kyogre both boast gaudy, detailed makeovers that give them an entirely new look, Kyogre's color palette lends itself to more visually distinctive cards, as Groudon's sea of red and darker hues tends to get lost in the sea of details and lettering plastered across the front
Bloodshot Cyclops Having an at-will fling ability on Bloodshot Cyclops gives you a lot of options
The spellslinger archetype has plenty of depths, with token decks, burn decks, and storm decks all comfortably falling within the limitations of extracting the most value from your instants and sorceries (with some modern cards including other noncreature spells), so theres a little something for everybody
and flashback + buyback = bad
If you want to add other valuable cards to your collection, check out our ranking of the most valuable cards from Heat Wave Arena