How can you tell your card is this one?

Look at the bottom of your card: you should read S12 125 there.

S12

Gapejaw Bog S12 125

Name: Gapejaw Bog S12 125
Brand: Pokémon

S12KO

We cannot estimate this card right now.

Check the number and illustration against the card you are looking for.

How can you tell your card is this one?: Look at the bottom of your card: you should read S12 125 there.
Which set does it come from?: It comes from the S12 set.

Its characteristics and effects in play, with the original text when available.

The Korean text is not available yet. Text shown: English.

Whenever either player puts a Basic Pokémon from their hand onto their Bench, put 2 damage counters on that Pokémon.