Wizards of the Coast has kicked off its bold new Chaos Vault initiative with a splash, releasing the first product in this experimental lineup: the Secret Lair: Dandan Deck for Magic: The Gathering. This 80-card, ready-to-play package brings the cult-favorite Dandân format to life in a fresh, self-contained experience built entirely around the legendary blue Fish creature. Featuring brand-new artwork and a carefully tuned card selection, the deck captures the format’s signature blend of tempo battles, stack warfare, and shared-library chaos that has kept fans hooked for decades.
According to the official announcement at Magic: The Gathering's website, the Secret Lair: Dandan Deck arrives fully assembled for two players, complete with everything needed to dive straight into high-stakes, blue-on-blue showdowns that reward clever sequencing and precise counterplay. Here's the decklist:
5 Dandan art 2
5 Dandan art 1
4 Accumulated Knowledge
2 Magical Hack
8 Memory Lapse
5 Island (Art 1)
5 Island (Art 2)
5 Island (Art 3)
5 Island (Art 4)
2 Mystic Sanctuary
2 Brainstorm
2 Capture of Jingzhou
2 Chart a Course
2 Control Magic
2 Crystal Spray
2 Day's Undoing
2 Mental Note
2 Metamorphose
2 Predict
2 Telling Time
2 Unsubstantiate
2 Halimar Depths
2 Haunted Fengraf
2 Lonely Sandbar
2 Remote Isle
2 The Surgical Bay
2 Svyelunite Temple
Check out the borderless cards in the image gallery below:
Abe Corrigan, a Game Designer on the Play Design team, explained the guiding philosophy behind the deck’s construction. He noted that playtesting revealed traditional strategies—such as trading up on mana with removal or out-grinding opponents through sheer card advantage—were proving too dominant in typical games. "Our main environmental focus was to make tempo Dandâns more impactful in average games, where we found trading up on mana with removal and grinding opponents out with card advantage to be overly effective compared to landing early Dandâns and protecting them," he said. "We were wary of going too far, wanting to move the pendulum in favor of early Dandân not fully swinging it, and long technical games played on the stack are crucial to the Dandân experience."
This release marks the first new Dandân artwork since 2006, with ten copies of the iconic Fish split across two stunning borderless foil treatments. Four distinct Island artworks form a breathtaking panoramic scene when placed together, adding serious visual flair to every game. In all, 46 cards sport fresh borderless foil finishes, while the remaining 34 retain classic retro frames updated with modern card text and the exclusive Secret Lair (SLD) set code. The result is a deck that feels both nostalgic and cutting-edge.
Dandân began as a grassroots format created by Nick Floyd and honed by the community over the years. Unlike traditional Magic: The Gathering, it delivers a pure two-player duel centered exclusively on blue strategies. Games often stretch into marathon sessions filled with intricate stack interactions, mana-efficient plays, and incremental card advantage rather than explosive aggression.
Designers Carmen Klomparens and Abe Corrigan fine-tuned this Secret Lair version to boost the power of early Dandân drops without overshadowing the format’s beloved technical depth. Control Magic acts as a game-swinging threat that forces opponents to answer the Fish, while Capture of Jingzhou brings thrilling extra-turn possibilities that reward winning counter battles. Day’s Undoing streamlines draw effects for cleaner tempo plays, and utility lands like Haunted Fengraf and Svyelunite Temple provide subtle late-game options.
How to Play Dandân?
Dandân is a distinctive two-player format in Magic: The Gathering where both players share a single library and graveyard. Games focus on summoning and safeguarding early Dandân creatures while waging intense battles on the stack using counterspells, tempo manipulation, and clever card draw in an all-blue environment.
Play Design game designer Carmen Klomparens explained the few differences in Dandân:
Players have a shared library and graveyard. Anything referring to "your" graveyard or library is referencing the shared zone.
The "owner" of a card on the stack or permanent on the battlefield is considered to be the person who cast it.
Whenever multiple players are drawing cards simultaneously, they are dealt one at a time, starting with the active player (i.e., whoever is going first or whoever's turn it is).
>When taking mulligans, if a player draws a hand with less than two lands or spells, that player may reveal the hand and take a free mulligan. This no longer applies once that player has taken a regular mulligan.
These rule tweaks preserve the familiar feel of Magic while enabling the format’s unique shared-zone dynamics and generous starting hands. Every turn becomes a tense chess match on the stack, where protecting an early Dandân often proves more valuable than reactive grinding. Cantrips, counters, and utility spells keep pressure constant, turning even quiet moments into opportunities for precise, high-impact decisions.
The Secret Lair: Dandan Deck lowers the barrier to entry dramatically. Newcomers can experience the format without tracking down rare singles, while longtime Dandân enthusiasts will enjoy the polished environment that keeps long, technical games at the forefront.
The Secret Lair: Dandan Deck for Magic: The Gathering is available now exclusively through the Chaos Vault at MagicSecretLair.com. Launched today, March 16, 2026, at 9 a.m. PT, this limited-run product is priced at $99.99 USD and ships as a complete 80-card deck, ready for immediate play.