Giratina & Garchomp is not only naturally better at dealing with Pikachu & Zekrom than Ultra Necrozma is, the Fighting energies also allow to add other techs like Marshadow & Machamp-GX, or even Aerodactyl-GX, to deal with what looks like the frontrunner of the format
However, you must know how to obtain them and apply them to your cards
While evolving your Charmeleon was a thrill back in the day, nowadays, you'll see gigantic legendaries and fully evolved Pokemon get slapped onto the board directly
Its also a soft counterspell thats hard to counter since its an activated ability, which is relevant in a counterspell war
For example, inspired by those two brews I just built a deck called "The Arboretum" that envisions an Arboretum of cards like Plants, Fungi, and Treefolk with cards like Cultivate and Rootgrapple that make sense for ramp and removal, but not Beast Within and Kodama's Reach