pokémon sword and shield--lost origin card list POKEMON TCG: Shield Lost Build and Battle Box : Toys & Games joined by Kyurem VMAX Lost Origin (TCG) - Bulbapedia,

Extract Brain Sorcery Target opponent chooses X cards from their hand

Also, this increases the probability that you can activate the monument later and get full value out of playing the splashed monument, whereas playing an Abzan Monument for green and white in a Jeskai-plus-green deck doesn't lend itself to having the black mana for it's activation

But why would you avoid playing it then

All those dots and layers create the picture of the card that you know

Shock is a very strong effect, just because we have Lightning Bolt and multiple other slightly better than Shock cards doesn't mean Shock is itself bad

1 I haven't played Fossil Find, Primal Visitation or Lithatog