One set has 250 cards. The other has 117. Both landed within two months of each other in the same Mega Evolution era — and right now they’re currently listed at very different price points.
M2A MEGA Dream ex and M3 Nihil Zero are back-to-back Japanese Pokemon releases from the M-series, the expansion line that brought the Mega Evolution mechanic back into the TCG. If you’re deciding which booster box to put money into, this guide lays out what’s actually verified about each set — card counts, release dates, headline chase cards — and what each box currently costs through us. It does not tell you which one is more profitable to open, because no pull-rate or per-box return data exists for either set that we’re willing to stand behind.
M2A MEGA Dream ex is a 250-card set released November 28, 2025, currently listed at ¥12,750 (~$80). M3 Nihil Zero is a smaller 117-card set released January 23, 2026, currently listed at ¥8,000 (~$50). M2a’s card pool is roughly 2.1x the size of M3’s — a structural fact about set size, not a statement about pull odds in either box.
Yen figures are converted at ¥159/USD (September 2026) throughout this guide. Prices reflect our current live listings, not third-party marketplace values.
M2A MEGA Dream ex vs M3 Nihil Zero at a Glance
Both sets belong to the Japanese “M-series,” the Mega Evolution-era expansion line. Here’s how the two compare on the basics:
| M2A MEGA Dream ex | M3 Nihil Zero | |
|---|---|---|
| Set code | M2a | M3 |
| Card count | 250 | 117 |
| Release date | November 28, 2025 | January 23, 2026 |
| Current box price | ¥12,750 (~$80) | ¥8,000 (~$50) |
The two sets released roughly eight weeks apart, and M3 followed M2a as the next entry in the same era. Beyond the card-count gap, the clearest verified difference is what each set’s own SAR-slot chase cards actually are — covered set by set below.
Inside M2A MEGA Dream ex: Set Facts and Chase Cards
M2A MEGA Dream ex carries 250 cards and released November 28, 2025. Its headline Special Art Rare is Mega Gengar ex (M2a #240), a Darkness-type card with 350 HP. Two more Special Art Rares round out the set’s top slots: Mega Dragonite ex (M2a #246, Dragon type, 370 HP) and N’s Zoroark ex (M2a #242, Darkness type, 280 HP).
For a full breakdown of every card in the set, see our M2a MEGA Dream ex card list. If Mega Gengar ex specifically is what drew you here, our Mega Gengar value guide covers every printing of that card across sets.
We don’t have verified pack-per-box or card-per-pack figures for M2a, so we’re not stating those here — only the set-level facts above.
Inside M3 Nihil Zero: Set Facts and Chase Cards
M3 Nihil Zero contains 117 cards and released January 23, 2026, about two months after M2a. Note the name: some listings and working titles for this set use “Munikis Zero,” but the verified English set name is Nihil Zero — “Munikis Zero” doesn’t appear on Limitless or in our own card-list article for this set.
Its headline Special Art Rare is Mega Clefable ex (JP: メガピクシーex — M3 #112), a Psychic-type card with 320 HP. The set also carries Mega Zygarde ex (M3 #117, Ultra Rare, Fighting type, 310 HP) and Meowth ex (M3 #114, Special Art Rare).
Full card list here: M3 Nihil Zero card list. As with M2a, we’re not stating packs-per-box or cards-per-pack for this set — that data isn’t verified in the sources we checked.
Price Comparison: What Each Box Costs Right Now
Both boxes are currently listed through us, priced as follows:
| 商品 | Set | Currently listed at |
|---|---|---|
| M2A MEGA Dream ex Japanese Booster Box | M2a, 250 cards | ¥12,750 (~$80) |
| M3 Nihil Zero Japanese Booster Box | M3, 117 cards | ¥8,000 (~$50) |
M2a’s box currently lists about ¥4,750 higher than M3’s. That gap tracks loosely with the card-count difference between the two sets, but it isn’t a statement about expected value per box — we don’t have pull-rate data for either set to support that kind of claim. For a wider view of how these two prices sit against the rest of the Mega-era lineup, see our Japanese Pokemon Mega booster box price index.
Which Mega Box Fits Your Collecting Goals
Since neither set has verified pull-rate or per-box odds data, the honest way to frame this decision is by what each set actually contains, not by which one is more “worth it” to open:
- If you want the larger card pool and the Mega Gengar ex chase slot — M2a MEGA Dream ex is the 250-card set, with Mega Gengar ex, Mega Dragonite ex, and N’s Zoroark ex as its three verified Special Art Rares.
- If you want a smaller, more recent release at a lower listed price — M3 Nihil Zero is the 117-card set at ¥8,000, with Mega Clefable ex as its headline SAR alongside Mega Zygarde ex and Meowth ex.
- If you collect by chase card rather than by set — compare the specific cards above (Gengar/Dragonite/Zoroark vs Clefable/Zygarde/Meowth) rather than the set totals, since card count doesn’t tell you anything about which specific slot you’ll land on.
Neither set is objectively the “better” buy — that depends on which specific cards you’re chasing and what you’re willing to spend on a box that costs ¥4,750 more before you know what’s inside.
Where These Two Sets Sit in the Mega Evolution Era
M2a and M3 are both part of the Japanese “M-series,” the expansion line that reintroduced the Mega Evolution mechanic to the TCG, starting with M1L Mega Brave and M1S Mega Symphonia. M2a released November 28, 2025; M3 followed January 23, 2026, making it the next mainline release in the series after M2a. For the full release order and how every M-series set fits together, see our Mega Evolution era sets guide.
If you’re working backward from M2a to its immediate predecessor rather than forward to M3, our M2 vs M2a box guide covers that comparison instead. And if M3 is your starting point and you’d rather see it against the set that followed it, our M3 vs M4 box guide makes that comparison.
Where to Buy M2A and M3 Booster Boxes from Japan
We ship both sets as sealed Japanese product out of Tokyo with tracked delivery. M2A MEGA Dream ex is currently listed at ¥12,750 (~$80), and M3 Nihil Zero is currently listed at ¥8,000 (~$50). If you’re after singles from either set rather than a sealed box, or want to build a mixed order across both, our Quick Order page is the fastest route.
常見問題
What’s the main difference between M2A MEGA Dream ex and M3 Nihil Zero?
M2A MEGA Dream ex is a 250-card Japanese set released November 28, 2025, while M3 Nihil Zero is a smaller 117-card set released January 23, 2026 — about two months later. M2a’s card pool is roughly 2.1x the size of M3’s.
How many cards are in each set?
M2A MEGA Dream ex contains 250 cards. M3 Nihil Zero contains 117 cards.
What are the chase cards in M2A MEGA Dream ex?
The headline chase card is Mega Gengar ex (M2a #240), a Special Art Rare Darkness-type card with 350 HP. The set also includes Mega Dragonite ex (M2a #246, Special Art Rare, 370 HP) and N’s Zoroark ex (M2a #242, Special Art Rare, 280 HP).
What are the chase cards in M3 Nihil Zero?
The headline chase card is Mega Clefable ex (M3 #112), a Special Art Rare Psychic-type card with 320 HP. The set also includes Mega Zygarde ex (M3 #117, Ultra Rare, 310 HP) and Meowth ex (M3 #114, Special Art Rare).
Is “Munikis Zero” the same set as Nihil Zero?
Yes — some listings and working titles refer to this set as “Munikis Zero,” but its verified English set name is Nihil Zero (Japanese set code M3).
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