Surging Sparks comes in a variety of other products such as the Elite Trainer Box and Booster Bundles, but the Booster Box will likely give you the best pack to price ratio if you can get it near MSRP
For SA completionists who want both JPN-exclusive alt arts, Conkeldurr V SA is the lower-profile counterpart to Mewtwo V SA
This card checks the right boxes: exclusive distribution, limited time window, and a recognizable Pokemon that collectors actively chase
Pokemon Booster Pack Toy Sword & Shield 6+
The most valuable tend to be the four half-blue lands: Underground Sea, Volcanic Island, Tropical Island, and Tundra
This can be decently helpful against Celebi Prime/Mewtwo EX as well, by discarding their Skyarrow Bridge and forcing Mewtwo to require seven energies attached between both Active Pokmon to kill your Reshiram after a Blue Flare