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As of this writing, OP-17 — "The World's Strongest Warriors" — is exactly two days into its English wide release, having hit shelves on August 28, 2026. At the same time, the six single-leader ST-31 through ST-36 starter decks are still fresh from their July 31 launch, each one bundled with a pack of the previous set, OP-16 "The Time of Battle." And just past those two, October 30 brings EB-05 "ONE PIECE Heroines Edition vol.2," an Extra Booster with preorders already open. Layer in a not-yet-dated OP-18 somewhere after that — not something you can act on yet, but something to plan around — and you've got three legitimate ways to spend money on this game right now, plus a fourth one coming that you need to keep in mind. That's exactly the kind of situation that leads people to buy the wrong thing, or buy nothing and miss a preorder.

This guide is built to cut through that. It's not a review of any single product — we've got dedicated pieces for that, including a full OP-17 set review and a chase-cards breakdown, plus a ranked look at all six ST-31–36 starters (see our rarity & chase card guide for the mechanics behind pulls generally). Instead, this is a timing guide: given everything on shelves and everything on the horizon right now, where does your next purchase actually belong?

One thing we won't do here is hand you made-up prices. Neither OP-17 boosters nor the ST-31–36 starters have a specific MSRP confirmed in our research as of this writing, so instead of guessing, we're framing the choice the way it actually plays out at the shelf: a full booster box of the newest set versus a single-leader starter deck that happens to come with one pack of the set before it. That comparison holds regardless of exact pricing, and it's the one that actually determines which product is right for you.

The Current Wave, In Order

It helps to lay out the whole timeline before picking a product, because "what's out right now" and "what's actually new right now" aren't quite the same question. Here's everything relevant to a buying decision this week, in the order it happened or will happen:

• June 12, 2026 — OP-16 "The Time of Battle" releases. Now the "older" set in this story, but still relevant because a pack of it rides along inside every ST-31–36 starter box.
• July 31, 2026 — ST-31 through ST-36 launch. Six single-leader starter decks, one per major character, each bundled with one OP-16 booster pack.
• August 28, 2026 — OP-17 "The World's Strongest Warriors" goes wide. The newest booster set on shelves, and the newest cards in the format — two days old as of this article.
• October 30, 2026 — EB-05 "ONE PIECE Heroines Edition vol.2" releases. An Extra Booster spotlighting heroine characters with new illustrations. Preorders for this one are already open.
• "November 2026" and beyond — OP-18, plus two unscheduled premium items. Bandai has confirmed only a month for OP-18, with no exact date and no preorders open yet. A Premium Card Collection Best Selection Vol. 7 and an Official Playmat Limited Edition Vol. 6 have also been announced by Bandai as coming, with no date confirmed for either.

Notice what that timeline actually means: there is no gap right now. Something from this list is either on shelves or open for preorder at every point between today and OP-18's eventual release. The question was never really "buy now or wait" in the abstract — it's which of the currently-available or currently-preorderable options fits what you're trying to do.

OP-17: The World's Strongest Warriors

OP-17 is, at the moment, as new as this game gets. It went wide on August 28, which means every pack sold since then has been opened against the freshest possible pool — nobody has had OP-17 in hand for more than 48 hours, so the chase-card conversation around this set is still being written in real time rather than settled.

That freshness cuts both ways. On one hand, buying in this early means you're opening packs alongside the rest of the community as the set's hits and pull rates get sorted out, and singles prices for anything notable haven't had time to drift far from launch levels in either direction. On the other hand, "two days old" also means the early hype window — when demand for a hot new set often outruns supply at retail — hasn't necessarily settled either. If you're buying a booster box specifically to open for value, that's worth knowing going in.

We won't cite a box price here, because none was confirmed in our research at the time of writing — treat any number you see quoted elsewhere as something to verify at the retailer, not something to assume. What we can say with confidence is what a booster box gets you structurally versus the other option on this list: nothing but packs of the newest set, no starter deck, no bundled older-set filler. For the full rundown of what OP-17 actually contains card-for-card, our companion OP-17 set review and chase-cards breakdown go deep on individual pulls; this piece stays focused on the buy-now-or-not decision.

ST-31 to ST-36: Six Starters, One Curious Bonus

The ST-31 through ST-36 starter decks are the other product actively on shelves right now, and they solve a completely different problem than a booster box does. Each of the six is a single-leader deck built around one character — Luffy, Zoro, Kuzan, Katakuri, Sabo, and Kid — and each one ships with a single booster pack from OP-16 tucked in as a bonus. For the full breakdown of how all six stack up against each other, we've got a companion piece ranking the lineup; this section is about the starters as a category, not any one deck specifically.

The detail worth sitting with is that bonus pack: it's OP-16, not OP-17. These starters released July 31, almost a full month before OP-17 existed, so the booster riding along inside is the previous set rather than the newest one. That's not a flaw exactly — it's just a fact worth knowing before you buy an ST-31–36 starter expecting a taste of the newest cards. You're getting a complete, ready-to-play deck around one leader, plus a pack of OP-16. You are not getting OP-17 packs bundled in.

There's a genuinely fun wrinkle specific to ST-31, though, and it's worth calling out on its own. The physical leader card inside the ST-31 box isn't a brand-new print — it's an exclusive alternate-art parallel of an older leader card, ST21-001 Monkey.D.Luffy, which originally came from the earlier "EX Gear 5" starter. Bandai reissued it as a "_p3" parallel made exclusively for the ST-31 release. So if you crack open an ST-31 box expecting an all-new Luffy leader, what you're actually holding is a reprint of a card that already existed, dressed in art you can only get this one way. That's a legitimately interesting pull for anyone who collects parallels or alternate arts, even setting aside how the deck plays.

Beyond the parallel, the case for a starter deck comes down to price and completeness rather than newness. Like OP-17 boosters, we don't have a confirmed MSRP for the ST-31–36 line to quote here — but structurally, a single-leader starter is priced as an entry-level product, well under what a full booster box runs, and it hands you a ready-to-play deck the moment you open the box. A booster box hands you packs and nothing else; you still have to build a deck out of whatever you pull. If your priority is playing a specific character out of the box rather than opening the newest packs, that's the entire decision right there.

Should You Wait? EB-05 And The OP-18 Question

This is where the "or wait" half of the headline actually gets decided, and the honest answer is that "waiting" splits into two very different situations depending on which upcoming product you mean.

EB-05 "ONE PIECE Heroines Edition vol.2" is a real, dated, currently-open preorder. It's an Extra Booster releasing October 30, 2026, built around heroine characters and featuring new illustrations. Because it's an Extra Booster rather than a mainline numbered set, it sits somewhat outside the OP-17/OP-18 progression — it's not competing with those sets for the same card pool so much as offering a parallel release focused on a different slice of the cast. If heroine-centric art and characters are what you're after, there's no ambiguity here: the preorder window is open now, the date is confirmed, and waiting on it simply means waiting the roughly two months until release, not waiting on an unknown.

OP-18 is a different story entirely, and it's the one where "wait for the next set" stops being good advice. Bandai has confirmed only that OP-18 is coming in November 2026 — no exact date has been announced, and as a direct result, retailers aren't taking preorders for it yet; they're waiting on Bandai to lock the date down the same as everyone else. That means there is currently nothing to buy, preorder, or reserve for OP-18. If your plan is "I'll just wait for OP-18 instead of buying OP-17 now," recognize that you're not choosing between two dated products — you're choosing a confirmed, available set today over an unscheduled one that could land anywhere in November.

There are also two smaller items worth flagging without over-promising on them: Bandai has announced a Premium Card Collection — Best Selection Vol. 7 and an Official Playmat Limited Edition Vol. 6, both described as coming soon. No exact date or preorder mechanics have been confirmed for either one as of this writing, so treat them as "on the radar" rather than something to plan a purchase around today.

Who Should Buy OP-17 Boosters

OP-17 is the right call if you're chasing the newest cards, period. Anyone building toward the current competitive format wants the newest legal pool available, and right now that's OP-17 — not OP-16, not the starters, and not a hypothetical OP-18 that isn't even preorderable yet. It's also the right call for collectors who want to be part of a set's opening window while it's happening, rather than catching up on it weeks or months later once pull rates and hit lists are common knowledge. And if you already have a competitive deck built and just need the newest tech, boosters are simply the only product on this list that gives you a shot at OP-17-specific cards at all — the starters don't include a single OP-17 pack.

Who Should Buy An ST-31–36 Starter

The starters make the most sense for anyone who wants a complete, legal deck today without the variance of opening packs and hoping for playables. If you're newer to the game, or you know exactly which of the six leaders — Luffy, Zoro, Kuzan, Katakuri, Sabo, or Kid — matches how you want to play, a single-leader starter gets you there in one purchase at a lower price point than a full booster box, without needing to build anything from scratch. It's also the pick for anyone collecting starter-exclusive prints specifically: the ST-31 box's alternate-art parallel of the ST21-001 Luffy leader isn't available any other way, which makes ST-31 worth a look even for players who already own a competitive deck and are buying purely for that one card.

Just go in with the right expectation about that bonus pack: it's OP-16, a set that's now over two months old, not a way to sample OP-17 on the cheap. If getting your hands on OP-17 specifically is the goal, a starter deck doesn't get you there — only a box or individual OP-17 packs do.

A Simple Decision Process

If you're still torn, run through these questions in order and stop as soon as one applies:

• Do you need a specific leader built and ready to play this week? Buy the matching ST-31–36 starter. You'll have a legal deck the moment the box is open.
• Do you want the newest cards in the format, or are you chasing OP-17-specific pulls? Buy OP-17 boosters. Nothing else on this list contains a single OP-17 card.
• Are you specifically after the ST-31 alternate-art Luffy parallel? Buy ST-31 on its own merits — that print isn't available in any other product.
• Is heroine-focused art and character content your main interest? Preorder EB-05. It's dated, confirmed, and already open.
• Do you only want OP-18 itself and nothing else will do? Then wait — but understand you're waiting on an undated release with no open preorder, not a known quantity.

Common Mistakes

• Assuming a starter's bonus pack matches the newest set. It doesn't right now — ST-31–36 bundles OP-16, not OP-17. Check the set number printed on the bundled pack, don't assume "newest starter" means "newest booster."
• Holding out for OP-18 with no plan. "November 2026" isn't a date you can build a purchase timeline around. Preorders aren't open, so there's nothing to reserve — you'd simply be sitting out OP-17 and the starters indefinitely.
• Trusting a price you saw quoted without confirming it at checkout. No MSRP for OP-17 boosters or the ST-31–36 starters was confirmed in our research. Verify current pricing at the retailer before you commit.
• Overlooking that ST-31's leader card is a reprint parallel, not a new card. If you're buying ST-31 expecting a brand-new Luffy card design, you'll be getting an alternate-art parallel of the older ST21-001 instead — a great pull for collectors, but not a new card.

FAQ

Is OP-17 worth buying only two days after release?
There's nothing inherent to a set's age that makes it a better or worse buy — two days simply means you're opening packs as the community is still figuring out the set's hit list, rather than after prices have settled. If you want the newest cards, there's no reason to wait; OP-17 is the newest legal set regardless of how many days old it is.

Do the ST-31–36 starters include any OP-17 cards?
No. Each starter includes one bonus pack from OP-16, the set before OP-17. If you want OP-17 cards, you need OP-17 boosters or singles.

What exactly is the ST-31 leader card?
It's an exclusive alternate-art parallel print (labeled "_p3") of ST21-001 Monkey.D.Luffy, a leader card that originally came from the earlier "EX Gear 5" starter. Bandai reissued it in new art specifically for ST-31 rather than printing a brand-new leader.

Should I wait for OP-18 instead of buying OP-17 or a starter now?
Only if you specifically want OP-18's cards and nothing else will do. Bandai has confirmed just "November 2026," with no exact date and no open preorders yet, so there's currently nothing to buy toward OP-18 — you'd be waiting on an unscheduled release rather than a known one.

Is EB-05 a better "wait" option than OP-18?
If your interest is heroine-focused characters and art specifically, yes — EB-05 has a confirmed October 30, 2026 date and an open preorder right now, unlike OP-18. If your interest is the mainline numbered-set card pool rather than an Extra Booster, EB-05 doesn't substitute for OP-18; it's a parallel release, not the next set in the OP-17 line.

What about the Premium Card Collection Vol. 7 and the Official Playmat Vol. 6?
Both have been announced by Bandai as coming soon, but no exact date or preorder details were confirmed in our research as of this writing. Treat them as upcoming, not yet actionable.

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