how do you check the price of pokemon cards

how do you check the price of pokemon cards just pulled these does anyone know what app i can pricing on i usually use charting but im not sure if its accurate or not How to Check Korean Pokemon

Name: how do you check the price of pokemon cards just pulled these does anyone know what app i can pricing on i usually use charting but im not sure if its accurate or not How to Check Korean Pokemon
Brand: bamstudio.ca
SKU: 43136744062
Price: 27.27 USD
Availability: InStock
Rating: 4.4347 (9 reviews)

SKU: 43136744062

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USD27.27 USD64.27

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Description

In this case, you will get your Tarmogoyf back (as Remand returns the spell it counters to its owner's hand) and you will draw a replacement card for the Remand

I am trying to complete a full set (holos and non-holos) of no rarities in PSA 10

Price: US$51

Legendary Creature - Human Rogue Hero Thor, God of Thunder Flying When Thor enters, exile target Equipment, instant, or sorcery card from your graveyard