Ascended Heroes

Mega Diancie ex

ASC267· Ultra Rare
Mega Diancie ex ASC 267

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Versions of this card

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What the card itself says

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

HP
270
Type
Psychic
Stage
Basic
Retreat cost
1
Weakness
×2
Regulation mark
I
Number
267/217
Set
Ascended HeroesASCSet guide
Illustrated by
DOM

Its Ability

Diamond Coat

This Pokémon takes 30 less damage from attacks (after applying Weakness and Resistance).

Its attacks

Garland Ray

120×

Discard up to 2 Energy cards from this Pokémon, and this attack does 120 damage for each card you discarded in this way.

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

    Retreat cost 1. One Energy to discard and it is back on the Bench, which matters a lot on the turn you need to swap attackers.

  2. A strength

    It has an Ability, Diamond Coat. An Ability costs you no attack, so you can use it and still swing the same turn.

  3. A strength

    Mega Diancie ex / Dusknoir runs it in 38 of the 38 lists we have read, seen across 35 different tournaments.

  4. A strength

    It is a Basic Pokémon. You can put it down on your very first turn, with nothing to evolve through.

  5. A strength

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

  6. Keep in mind

    It is a Mega Evolution ex, and that is the most expensive rule in the game. The turn it goes down your opponent takes 3 Prizes instead of one. They need six to win, so 2 knockouts on this card are enough. Send it out knowing that.

  7. Keep in mind

    Weakness Metal ×2. Against a Metal Pokémon, apply that to the damage it takes — it climbs fast. Of the 3,810 tournament lists we have read, 529 run at least one Pokémon of that type.

Standard format: source checked on September 22, 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
Mega Diancie ex / Dusknoir38 of 3835PFL 41
Jellicent ex / Dusknoir17 of 2717PFL 41
Mega Diancie ex9 of 99PFL 41
Blaziken ex1 of 211PFL 41
Mega Chandelure ex1 of 361PFL 41
Steven's Metagross ex1 of 411PFL 41

When it came out

Ascended Heroes landed here on 30 January 2026.

In Japan these cards were already in shops on 28 November 2025, under the code M2a. That is 63 days ahead of us.

Every set, with both of its dates

The other cards of this Pokémon

Two cards of the same Pokémon can be worth wildly different amounts — it depends on the set, the rarity and the artwork. We put all 15 Diancie cards on one page, priciest first.

See every Diancie card and its price