In the fast-moving world of Pokemon TCG Pocket, only a few decks rise to dominance without eventually being challenged or dethroned, and the recent fall of the once-dominant Arceus ex and Dialga ex deck has the community buzzing. Just a month ago, this combo was widely considered one of the game's most powerful and consistent forces. But the current meta tells a different story.
Currently, the Arceus ex and Dialga ex deck finds itself barely clinging to relevance, overshadowed by revived older decks and newer, more efficient threats. The drastic shift has sparked speculation across forums, with many players trying to pinpoint exactly what went wrong.
A discussion sparked by Reddit user u/Ok-Mud1352 captured the sentiment of many in the community, questioning how a deck that once defined the meta could vanish so quickly.
"Why did Arceus Dialga fall off so hard?"
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The user noted how even weaker variants like Arceus-Carnivine have leapfrogged the original, leaving players to wonder whether new support cards or the emergence of more aggressive threats like Darkrai-Giratina (often referred to as DarkTina) were to blame.
One of the biggest factors identified by players is the issue of speed and efficiency. According to u/Haunting-Ad9521, energy acceleration plays a crucial role in early-game dominance.
The slower tempo of the Arceus ex and Dialga ex deck leaves it vulnerable in a meta that increasingly rewards fast openings.
Additionally, Arceus's reliance on a full bench to maximize its attack potential makes the deck more cumbersome. In contrast, Darkrai ex + Giratina ex and other current top-tier decks can operate effectively with fewer Pokemon on the field, allowing them to focus more on trainer cards and synergy without sacrificing firepower.
Redditor u/Teamduncan021 emphasized how energy generation is at the heart of the current meta.
"The first part of the answer was energy generation, being able to generate energy faster or as fast as giratina. While dialgia can generate energy, it has a 2 turn waiting time. This is not ideal especially if you flip heads. Notice gyrados and Charizard both have energy generation cards in manaphy and Moltres. And to a certain degree magneton."
Damage thresholds also played a significant role in the shake-up. As u/MrBones-Necromancer pointed out, the lack of “Red” in the format (referring to a damage-boosting mechanism or card) meant that Dialga struggled to reach key knockout values.
"Well, theres a few factors. Firstly, no red meant that damage thresholds were a lot different. 150 at most didn't kill most of the meta EX's, but 160 does. The meta before was also more focused on rapid damage, weevil or magnazone both swing hard for less, and that meant you couldnt get garados the energy it needed. Garados now shines because it's HP makes it impossible to one shot with anything but zard, and the meta is to take turns building energy. Nothing hits for 60-80 turn 1-2 anymore."
Another key perspective came from u/Drugsbrod, who outlined how the current leading decks simply outclass Arceus ex and Dialga ex across the board.
Simply put, while Arceus ex+Dialga ex remains a fundamentally solid deck, it no longer has the edge that once set it apart. Its weaknesses are now well-known and frequently exploited in ranked play, where most players are already teched against it, whether intentionally or incidentally.
Also read: Is Pokemon TCG Pocket releasing new packs too frequently?
Arceus ex and Dialga ex deck's decline in the Pokemon TCG Pocket meta

The decline of Arceus ex and Dialga ex reflects a broader evolution in the Pokemon TCG Pocket meta: one that increasingly rewards decks with faster energy acceleration, streamlined construction, and adaptability against both older and emerging threats.
While the Arceus ex and Dialga ex deck hasn’t disappeared entirely, its days of dominating the ladder appear to be over for now. Unless future support cards or shifts in the meta restore its competitiveness, it’s likely to remain a niche pick — overshadowed by the very decks it once reigned over.
As the meta continues to evolve, one thing is certain: in Pokemon TCG Pocket, no deck stays on top forever.
Also read: What is the best type in Pokemon TCG Pocket
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