While we don't have a release date yet(only Late 2019 confirmed) for Sword and Shield, it's expected to release during holidays(November/December)
Its completely normal for a single turn to be composed of ten different actions that build on each other just to get a single pokemon evolution, for example, which sounds annoying but is satisfying in practice
You can only activate 1 "Spright Smashers" per turn
Looking at the last ~10 modern sets (Shrouded Fable, Stellar Crown, Surging Sparks, Prismatic Evolutions, Journey Together, Destined Rivals, White Flare, Black Bolt, Mega Brave, Phantasmal Flames), its clear which have stronger fundamentals
4 SUPER QUANTAL MECH BEAST MAGNALIGER Made up of two Level 5 monsters, Magnaliger is the other splashable Super Quantum monster