White rarely gets free interaction, so Flawless Maneuver feels like a good way to catch opponents off guard and make sure that your creatures live to fight another day, or use it proactively to save your creatures from your own board wipe, which can be back-breaking for your foes
You wont likely summon it like how you do in the anime, but youll use it mostly as a fusion material for your Ancient Gear fusion monsters for its name or swarm the field when going first
Sending cards to the GY is the main strategy for the Deck, and there are multiple Spell Cards that enable this
For example Vileplume GX, Solgaleo & Lunala GX, Silvally GX, Lillie's Resolve, Reshiram & Zekrom GX have been revealed
This is a far more powerful effect as it effectively can shut an opponent out of counters and responses, while decimating their hand and denying them options to fix it
I hope Ive shown that you can keep up with the heavy hitters of the format, even if theyre outside your price range