To ensure your deck is Modern legal, it must contain only cards that have been printed in the following sets (any version of that card is fine):

  • Ravnica Allegiance
  • Guilds of Ravnica
  • Core 2019
  • Dominaria
  • Rivals of Ixalan
  • Ixalan
  • Hour of Devastation
  • Amonkhet
  • Aether Revolt
  • Kaladesh
  • Eldritch Moon
  • Shadows over Innistrad
  • Oath of the Gatewatch
  • Battle for Zendikar
  • Magic Origins
  • Dragons of Tarkir
  • Fate Reforged
  • Khans of Tarkir
  • Magic 2015
  • Journey into Nyx
  • Born of the Gods
  • Theros
  • Magic 2014
  • Dragon's Maze
  • Gatecrash
  • Return to Ravnica
  • Magic 2013
  • Avacyn Restored
  • Dark Ascension
  • Innistrad
  • Magic 2012
  • New Phyrexia
  • Mirrodin Besieged
  • Scars of Mirrodin
  • Magic 2011
  • Rise of the Eldrazi
  • Worldwake
  • Zendikar
  • Magic 2010
  • Alara Reborn
  • Conflux
  • Shards of Alara
  • Eventide
  • Shadowmoor
  • Morningtide
  • Lorwyn
  • Tenth Edition
  • Future Sight
  • Planar Chaos
  • Time Spiral
  • Coldsnap
  • Dissension
  • Guildpact
  • Ravnica: City of Guilds
  • Ninth Edition
  • Saviors of Kamigawa
  • Eighth Edition
  • Betrayers of Kamigawa
  • Champions of Kamigawa
  • Fifth Dawn
  • Darksteel
  • Mirrodin

The following cards are not permitted in Constructed - Modern decks:

  • Ancient Den
  • Birthing Pod
  • Blazing Shoal
  • Chrome Mox
  • Cloudpost
  • Dark Depths
  • Deathrite Shaman
  • Dig Through Time
  • Dread Return
  • Eye of Ugin
  • Gitaxian Probe
  • Glimpse of Nature
  • Golgari Grave-Troll
  • Great Furnace
  • Green Sun's Zenith
  • Hypergenesis
  • Krark-Clan Ironworks
  • Mental Misstep
  • Ponder
  • Preordain
  • Punishing Fire
  • Rite of Flame
  • Seat of the Synod
  • Second Sunrise
  • Seething Song
  • Sensei's Divining Top
  • Skullclamp
  • Splinter Twin
  • Stoneforge Mystic
  • Summer Bloom
  • Treasure Cruise
  • Tree of Tales
  • Umezawa's Jitte
  • Vault of Whispers