High-cost spells can win you the game, but they're likely to sit in your hand if you don't have the resources to cast them
Its not a particularly expensive card right now, at around $0.20 a copy, but its also an absolute must-have in any Vehicle deck in a non-Standard format
Strategic reasons to also bounce our own include getting rid of awkward Auras or resetting for some great enters-the-battlefield triggers
Pest SummoningPest Summoning (2.51K Inclusions, 0.17% of 1.51M Decks) Pest SummoningPest Summoning is the rare Strixhaven Lesson that isn't colorless, and yet is still seeing play
The reason I hear most from the players that I coach and my friends is that Mewtwo V-UNION is a deck that gains a lot of strength in the surprise factor and now that the deck is already known, all that can change, because instead of Mewtwo V-UNION being the deck that wins the metagame, it is now part of the metagame and can be countered by prepared opponents