Magic: The Gathering Arena - Complete Pioneer Format Guide
Magic: The Gathering Arena has officially added the Pioneer format to the client. It joins Historic and Timeless as a non-rotating format, and is perfect for those who want to play a format that's (mostly) the same as it is on paper as it is on Arena. With the addition of Pioneer, the Explorer format will be discontinued.
Pioneer has been a format of Magic: The Gathering for quite a while and has an established meta with years of experimentation. With its arrival on Magic Arena, more players have access to playing the format without needing the physical cards to play.
What Is Pioneer?
Thoughtseize by Aleksi BriclotPioneer was introduced to Magic: The Gathering on October 21, 2019, as a new non-rotating format to fill out a gap between Standard and Modern, as Modern was becoming harder to get into for new players due to how large the card pool was. With the high power level of Modern, many Standard cards would become useless after rotation for Standard came since the power level of them was much weaker.
Pioneer was created as a way for players to still be able to play their Standardcards after rotation as the power of the formats was a lot closer. The original banlist only consisted of the five fetchlands released in Khans of Tarkir and slowly expanded over the years.
Every set from Return to Ravnica onward is legal in the Pioneer format. The sets and cards that are legal in Pioneer are only sets that were Standard legal. As such, sets such as Modern Horizons 3 and Command Legends are not legal in Pioneer. If a Standard set has a bonus set, such as Strixhaven's Mystical Archive or Outlaws of Thunder Junction's Breaking News cards, these cards are not Pioneer legal unless they already were legal.
The following sets are the sets that are legal in the Pioneer format:
Return to Ravnica
Gatecrash
Dragon's Maze
Magic 2014
Theros
Born of the Gods
Journey into Nyx
Magic 2015
Khans of Tarkir
Fate Reforged
Dragons of Tarkir
Magic Origins
Battle for Zendikar
Oath of the Gatewatch
Shadows over Innistrad
Eldritch Moon
Kaladesh
Aether Revolt
Amonkhet
Hour of Devastastion
Ixalan
Rivals of Ixalan
Dominaria
Core set 2019
Guilds of Ravnica
Ravnica Allegiance
War of the Spark
Core Set 2020
Throne of Eldraine
Theros Beyond Death
Ikoria Lair of Behemoths
Core 2021
Zendikar Rising
Kaldheim
Strixhaven
Adventures in the Forgotten Realms
Innistrad: Midnight Hunt
Innistrad: Crimson Vow
Kamigawa: Neon Dynasty
Streets of New Capenna
Dominaria United
The Brothers' War
Phyrexia: All Will Be One
March of the Machine
March of the Machine: The Aftermath
Wilds of Eldraine
The Lost Caverns of Ixalan
Murders at Karlov Manor
Outlaws of Thunder Junction
Bloomburrow
Duskmourn: House of Horror
Foundations
Any new Standard releases are automatically made legal in Pioneer as well.
The Pioneer banlist is fairly small, with only the most egregious cards in the format getting hit by the ban hammer. These are all the banned cards in Pioneer that you cannot use in your decks:
Amalia Benavides Aguirre
Balustrade Spy
Bloodstained Mire
Expressive Iteration
Felidar Guardian
Field of the Dead
Flooded Strand
Geological Appraiser
Inverter of Truth
Karn, the Great Creator
Kethis, the Hidden Hand
Leyline of Abundance
Lurrus of the Dream-Den
Nexus of Fate
Oko, Thief of Crowns
Once Upon A Time
Polluted Delta
Sorin, Imperious Bloodlord
Teferi, Time Raveler
Undercity Informer
Underworld Breach
Uro, Titan of Nature's Wrath
Veil of Summer
Walking Ballista
Wilderness Reclamation
Windswept Heath
Winota, Joiner of Forces
Wooded Foothills
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Posts By Joe ParlockTransition From Explorer
Explore by John AvonWith the official introduction of Pioneer to Magic Arena, the Explorer format will cease to exist. Explorer was always meant to be a placeholder format until all the cards that see Pioneer play were available on the client. Explorer becoming Pioneer was always the end goal of Explorer.
Explorer was a format exclusive to Magic Arena where all the cards that were Pioneer legal on the client were legal in the format, and nothing else. It does not include Alchemy and Historic releases, and followed the same legality as Pioneer. The only card banned in Explorer that is Pioneer legal is Tibalt's Trickery.
Not every single card that is Pioneer legal will be available on the Magic Arena version. However, the majority of cards will be, and all the cards that are a part of meta and most rogue decks will be available. If any card suddenly pops up in decklists, they can still be added through the Anthology drops that Magic Arena does to directly inject cards into its formats.
For players of the Explorer format, you won't notice a ton of differences once it becomes Pioneer. The two formats were very close to each other already, with only a small handful of meta cards not on the client that kept certain decks from reaching their full potential.
Top Pioneer Decks
Izzet Phoenix
Arclight Phoenix by Slawomir ManiakIzzet (red/blue) Phoenix has been a top deck in Pioneer for practically the entire lifespan of the format. It has had the longest staying power, and continues to dominate as arguably the best deck in all of Pioneer. The deck is all about bringing out the titular Arclight Phoenix from your graveyard by casting multiple spells and attacking with an army of creatures with flying.
The deck utilizes cards like Ledger Shredder and Picklock Prankster to dump Archlight Phoenix into the graveyards to cheat out by casting cantrips like Opt, Consider, and Sleight of Hand. With how much it uses the graveyard, Treasure Cruise is a consistent draw three cards for just one blue mana.
Rakdos Midrange
Bloodtithe Harvester by Lucas GracianoRakdos (black/red) Midrange is a deck that utilizes the many tools that the color combination has. Rakdos Midrange decks use cards like Thoughtseize to cut off your opponent's most important cards while setting up cheap threats like Bloodtithe Harvester and Unstoppable Slasher.
There is a large removal suite available, with the most important being Fatal Push. Fable of the Mirror Breaker provides both card advantage and the ability to ramp and generate more of a board presence. Unholy Annex gives the deck draw power and burn as Demons like Archfiend of the Dross are also played.
Prowess
Heartfire Hero by Jakub KasperProwess is primarily played as one of two variants, Gruul (red/green) or Rakdos (black/red). The Gruul Prowess version has access to more protection spells like Innkeeper's Talent with impulse draw on Questing Druid which also grows with all red spells. Meanwhile, Rakdos variants have removal in Fatal Push, and a more consist killing move by using Callous Sell-Sword's Burn Together to sacrifice Heartfire Hero to deal double whatever Heartfire Hero's power was to an opponent.
Gruul Prowess focuses more on consistency and resilience, while Rakdos Prowess is more combo-oriented to win the game as quickly as possible. Both have different tools in the sideboard, and there's no "wrong" version to be playing, all coming down to personal preference. However, Rakdos Prowess has more top results than Gruul Prowess.
Azorius Control
No More Lies by Liiga SmilshkalneAzorius (white/blue) Control has been the staple control deck of Pioneer since its inception. It still remains the best option for fans of control, with a ton of tools to control the board state and prevent spells from resolving. You don't play many creatures, with the only way to generate them being through The Wandering Emperor. The other "creatures" are those found on lands, namely Restless Anchorage which can turn itself into a 2/3 flyer. Fountainport also helps to slowly amass an army of tokens.
As the name implies, most of the deck are cards that control what goes onto the battlefield and stay there. March of Otherworldly Light, Get Lost, and Portable Hole all act as removal for permanents on the battlefield, while Dovin's Veto and No More Lies counter spells so they don't resolve in the first place. Azorius Control is all about being the one in control of the game, and utilizing your resources to the maximum potential.
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