One Piece Card Game turns four this summer, and Bandai is marking the occasion with a set built to be remembered. OP-17, "The World's Strongest Warriors," is the 4th-anniversary booster—a Yonko-themed release pointed squarely at the Four Emperors and the giant-filled island of Elbaf. With preorders already live and a confirmed release date on the calendar, here's everything a collector or player needs to plan their buy.
One Piece OP-17 release date
The official English release date for OP-17 is August 28, 2026. In-store prerelease events begin August 21, so tournament-legal play and the earliest packs land a week ahead of the wide launch. Packs carry a $4.99 MSRP, in line with recent main-series boosters. If you're buying to play at the anniversary events, the prerelease week is your first real chance to open product.
What's in the set
OP-17 is a full-size main-series booster with 131+4 card types spanning the usual rarity ladder—commons and uncommons up through Super Rares, Secret Rares, the alt-art Special cards, and the top-tier Treasure Rare slot that anchors every anniversary set. Highlights confirmed so far:
- Six leaders, of which two are official: Edward Newgate (Red) and Monkey D. Luffy (Black).
- A Yonko / Four Emperors theme, with the set art and tagline pointing toward Elbaf—fueling widespread (still unconfirmed) speculation about Shanks, Kaido and Big Mom leaders.
- A single Treasure Rare, the rarest pull in the set. Its identity is unannounced, but anniversary Treasure Rares have historically been the most valuable cards Bandai prints.
A note on hype: because four of six leaders and the Treasure Rare are still unrevealed, any "chase card price" you see today is a projection, not a confirmed value. Treat presale single prices as speculative until the full list drops.
Red
Black
Unrevealed
4th Anniversary
Should you buy a booster box?
Anniversary sets occupy a special place in One Piece's short history: they tend to hold value better than mid-cycle boosters because the Treasure Rare and alt-art leaders become the format's most photographed cards. That said, "hold value" is not the same as "guaranteed profit." Here's how to think about it:
- Buying to play? A single Booster Box is usually enough to build one or two competitive leader decks. Preorder one box, then fill gaps with singles once prices settle post-launch.
- Buying to collect? The value is concentrated in a handful of chase cards. Unless you love the gamble of ripping packs, buying the specific alt-arts you want as singles after release is almost always cheaper per card than boxing.
- Buying to hold sealed? Anniversary boxes are the best sealed candidates in the game, but the safest entry is at or near MSRP. Preorder pricing before the reveal hype spikes is typically the floor.
Sealed vs. singles: the smart play
Our standing advice on anniversary product holds here. Preorder one sealed box at MSRP if you want the launch-day experience or plan to play. For everything else—specific leaders, the Treasure Rare, deck staples—wait for the market to open and buy singles. Prices on new One Piece sets almost always dip in the two-to-three weeks after launch as supply floods in, then stabilize. Patience is a discount.
Frequently asked questions
When is the One Piece OP-17 release date?
OP-17 "The World's Strongest Warriors" releases in English on August 28, 2026, with prerelease events starting August 21.
What are the OP-17 chase cards?
The set's top slot is a single Treasure Rare (identity unannounced), alongside alt-art Special cards and six leaders. Only Edward Newgate and Monkey D. Luffy are confirmed so far; the rest are unrevealed, so chase-card values remain projections.
Is the OP-17 booster box worth buying?
For players, one box is a solid, cost-effective start. For collectors chasing specific cards, singles after launch are usually cheaper. Anniversary boxes are strong sealed holds when bought near MSRP.