Have lots of spell/trap control
This banish playstyle is further emphasized through their original boss monster "Kashtira Shangri-Ira", a Rank 7 Xyz Monster with 0 ATK able to Special Summon more Kashtira monsters to the field and lockdown unused Main Monster Zones as well as Spell & Trap Zones each time an opponent's card in their possession is banished
the pikachu at the bottom is like 5-10, misty's tears (naked misty) is around 10, venusaur is maybe 7 in that condition, rocket moltres = 2-3, surfing pikachu = 10, your most valuable one is the japanese mewtwo at 40-50
There are dozens of clone-like cards now, maybe even hundreds (depending on how strict you are with the definition)
Yes, Pokmon cards can be valuable, especially rare and high-grade ones