Twilight Masquerade

Boomerang Energy TWM 166/167

TWMJPUncommon
Boomerang Energy TWM 166

We cannot estimate this card right now.

Versions of this card

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

What you might be wondering about this card

How can you tell your card is this one?
Look at the bottom of your card: you should read TWM 166/167 there.
Which set does it come from?
It comes from the Twilight Masquerade set, released here on 24 May 2024.

When it came out

Twilight Masquerade landed here on 24 May 2024.

In Japan these cards were already in shops on 26 April 2024, under the code SV6. That is 28 days ahead of us.

Every set, with both of its dates

What the card itself says

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

Regulation mark
H
Number
166/167
Set
Twilight MasqueradeTWMSet guide
As long as this card is attached to a Pokémon, it provides Energy. If this card is discarded by an effect of an attack used by the Pokémon this card is attached to, attach this card from your discard pile to that Pokémon after attacking.このカードは、ポケモンについているかぎり、エネルギー1個ぶんとしてはたらく。 このカードをつけているポケモンが使うワザの効果で、このカードがトラッシュされたなら、ワザのダメージや効果のあとに、もとのポケモンにつけなおす。

What to make of it

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.

  1. A strength

    Slowking runs it in 58 of the 62 lists we have read, seen across 53 different tournaments.

  2. A strength

    No Weakness printed on the card. Nothing doubles up the damage it takes.

  3. A strength

    Mark H. It is one of the marks currently accepted in Standard: H, I, and J.

Standard format: source checked on September 28, 2026. TCGdex

Who plays it

These decks really played this card at a tournament. We spot it by the little set code printed at the bottom, the one players copy onto their list — two cards sometimes share a name, the code never lies.

The decks that list this card, with how many lists and how many tournaments
DeckListsTournamentsPrinting listed
Slowking58 of 6253TWM 166