Following in the footsteps of Gitaxian Probe, Ponder, and Mental Misstep, Veil of Summer added an uncharacteristic level of stack interaction to already-dominant green decks in Standard
In any case, with cards like these, as long as the primary effect is something you'll play on your own, then there's nothing wrong with playing a card like this
Many of these cards especially the best colorless creatures MTG like Wurmcoil Engine also have a triggered ability that goes off when they enter the field or when a certain event happens, which can add layers of strategy to your turns
That accessibility is a double-edged sword: it keeps prices reasonable for buyers, but it also means that condition and grading carry outsized importance for anyone looking at these as long-term holds
It's cheap enough of a card that it being stone-useless on entry is alright considering how fast it can get out of hand later on
A: Pikachu VMAX cards generally cost $10-100+ for regular variants, while Rainbow Rare and Secret Rare VMAX can be worth $50-1000+ in mint condition