Here are the Constructed decks played by the Top 4 players during the World Championship. The players will use their Modern decks in Sunday's Top 4 rounds.
Modern
Enchantment (27)
4 Ethereal Armor 4 Rancor 4 Hyena Umbra 4 Spider Umbra 4 Keen Sense 4 Daybreak Coronet 3 Unflinching CourageLand (21)
1 Dryad Arbor 1 Forest 1 Wooded Bastion 4 Temple Garden 4 Horizon Canopy 4 Razorverge Thicket 3 Misty Rainforest 3 Verdant Catacombs60 Cards
Sideboard (15)
4 Leyline of Sanctity 1 Grafdigger's Cage 2 Rest in Peace 3 Stony Silence 2 Dismember 2 Path to Exile 1 Suppression Field
Planeswalker (1)
1 Ajani VengeantInstant (25)
4 Lightning Bolt 2 Lightning Helix 3 Electrolyze 3 Path to Exile 2 Spell Snare 3 Mana Leak 3 Cryptic Command 2 Shadow of Doubt 1 Think Twice 2 Sphinx's RevelationLand (26)
4 Celestial Colonnade 1 Glacial Fortress 2 Hallowed Fountain 4 Scalding Tarn 2 Steam Vents 2 Sulfur Falls 3 Arid Mesa 1 Sacred Foundry 3 Tectonic Edge 2 Island 1 Mountain 1 Plains60 Cards
Sideboard (15)
1 Vendilion Clique 3 Molten Rain 2 Thundermaw Hellkite 2 Pyroclasm 2 Supreme Verdict 2 Counterflux 1 Celestial Purge 1 Dispel 1 Engineered Explosives
Planeswalker (1)
1 Gideon JuraCreature (4)
4 Snapcaster MageSorcery (1)
1 PyroclasmInstant (28)
4 Cryptic Command 4 Spell Snare 4 Lightning Bolt 4 Electrolyze 3 Mana Leak 2 Sphinx's Revelation 2 Path to Exile 2 Think Twice 2 Lightning Helix 1 Shadow of DoubtLand (26)
1 Mountain 1 Plains 4 Celestial Colonnade 4 Arid Mesa 4 Scalding Tarn 3 Tectonic Edge 2 Hallowed Fountain 2 Steam Vents 1 Sacred Foundry 1 Sulfur Falls 3 Island60 Cards
Sideboard (15)
1 Tectonic Edge 1 Pyroclasm 1 Shadow of Doubt 2 Hallowed Burial 2 Wear // Tear 2 Counterflux 1 Dispel 1 Aven Mindcensor 1 Baneslayer Angel 1 Teferi, Mage of Zhalfir 1 Threads of Disloyalty 1 Sowing Salt
Land (24)
4 Treetop Village 4 Tectonic Edge 4 Marsh Flats 4 Verdant Catacombs 1 Misty Rainforest 3 Swamp 1 Forest 2 Overgrown Tomb 1 Twilight Mire60 Cards
Sideboard (15)
2 Deathmark 2 Shadow of Doubt 4 Fulminator Mage 2 Wrench Mind 2 Thrun, the Last Troll 2 Infest 1 Phyrexian ArenaStandard
Planeswalker (2)
2 Garruk, Primal HunterArtifact (1)
1 Rakdos KeyruneLand (25)
2 Swamp 2 Kessig Wolf Run 1 Dragonskull Summit 4 Overgrown Tomb 4 Stomping Ground 4 Blood Crypt 4 Rootbound Crag 4 Woodland Cemetery60 Cards
Sideboard (15)
1 Rakdos's Return 1 Tragic Slip 2 Duress 2 Underworld Connections 1 Acidic Slime 1 Curse of Death's Hold 2 Pillar of Flame 1 Barter in Blood 3 Liliana of the Veil 1 Grafdigger's Cage
Instant (19)
2 Warleader's Helix 3 Sphinx's Revelation 3 Azorius Charm 1 Izzet Charm 1 Turn // Burn 4 Think Twice 2 Dissipate 3 SyncopateLand (26)
4 Hallowed Fountain 4 Steam Vents 4 Glacial Fortress 4 Sulfur Falls 3 Clifftop Retreat 1 Island 2 Moorland Haunt 4 Sacred Foundry60 Cards
Sideboard (15)
1 Turn // Burn 3 Thundermaw Hellkite 2 Celestial Flare 3 Negate 2 Izzet Staticaster 2 Detention Sphere 1 Dispel 1 Ratchet Bomb
Planeswalker (2)
2 Jace, Architect of ThoughtInstant (18)
3 Sphinx's Revelation 2 Think Twice 3 Azorius Charm 2 Dissipate 2 Syncopate 2 Warleader's Helix 2 Searing Spear 2 Turn // BurnLand (26)
4 Hallowed Fountain 4 Steam Vents 4 Sacred Foundry 4 Glacial Fortress 4 Sulfur Falls 3 Clifftop Retreat 2 Desolate Lighthouse 1 Island60 Cards
Sideboard (15)
2 Pillar of Flame 2 Detention Sphere 3 Ratchet Bomb 1 Pithing Needle 1 Negate 2 Dispel 2 Assemble the Legion 2 Counterflux
Planeswalker (1)
1 Garruk, Primal HunterCreature (18)
3 Scavenging Ooze 4 Lifebane Zombie 4 Huntmaster of the Fells 3 Olivia Voldaren 4 ThragtuskLand (25)
4 Stomping Ground 4 Blood Crypt 4 Overgrown Tomb 4 Woodland Cemetery 3 Rootbound Crag 2 Dragonskull Summit 2 Swamp 2 Kessig Wolf Run60 Cards