How can you tell your card is this one?

Look at the bottom of your card: you should read STS 104/114 there. Its illustration is signed Yusuke Ohmura.

Which set does it come from?

It comes from the Steam Siege set, released here on 3 August 2016.

Steam Siege

STSJPUncommon

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 STS 104/114 there. Its illustration is signed Yusuke Ohmura.
Which set does it come from?: It comes from the Steam Siege set, released here on 3 August 2016.

Steam Siege landed here on 3 August 2016.

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

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

Remove all effects of attacks on each player and his or her Pokémon.

Have a look at what it does well, then at what will get in your way. After that you'll know whether it belongs in your deck.

A strength
No Weakness printed on the card. Nothing doubles up the damage it takes.
Keep in mind
None of the 5,427 tournament lists we have read runs it. That does not make it a bad card — it means we have not seen it on a table yet.

None of the tournament lists we have read mentions this card. That happens with a card that has just come out, or one players have not tried yet.