Walk into any card shop and compare a stack of Japanese cards to a stack of English cards from the same era
Karn was instrumental in fending off the Phyrexians during the Invasion

Decklist: Level Up Tribal in Commander Atraxa, Praetors' Voice | Illustration by Victor Adame Minguez Commander (1) Planeswalker (1) Creatures (30) Caravan Escort Enclave Cryptologist Guul Draz Assassin Joraga Treespeaker Skywatcher Adept Student of Warfare Zulaport Enforcer Beastbreaker of Bala Ged Champion's Drake Coralhelm Commander Hada Spy Patrol Halimar Wavewatch Ikiral Outrider Kazandu Tuskcaller Knight of Cliffhaven Lighthouse Chronologist Null Champion Thrummingbird Winding Constrictor Dauntless Escort Echo Mage Hedron-Field Purists Nirkana Cutthroat Pir, Imaginative Rascal Transcendent Master Venerated Teacher Kabira Vindicator Odric, Lunarch Marshal Toothy, Imaginary Friend Viral Drake Instants (6) Heroic Intervention Grim Affliction Make a Stand Rootborn Defenses Steady Progress Fuel for the Cause Sorceries (8) Diabolic Tutor Tezzeret's Gambit Overwhelming Stampede Spread the Sickness Time Warp Part the Waterveil Expropriate Time Stretch Enchantments (6) Training Grounds Cryptolith Rite Time of Heroes Doubling Season Inexorable Tide Mirari's Wake Artifacts (12) Astral Cornucopia Everflowing Chalice Sol Ring Fellwar Stone Strionic Resonator Swiftfoot Boots Chromatic Lantern Coalition Relic Commander's Sphere Heartstone Magistrate's Scepter Rings of Brighthearth Lands (36) Island x13 Plains x6 Forest x3 Arcane Sanctum Command Tower Exotic Orchard Opulent Palace Sandsteppe Citadel Seaside Citadel Temple of Deceit Temple of Enlightenment Temple of Mystery Temple of the False God Vivid Creek Vivid Grove Vivid Marsh Vivid Meadow This level up tribal deck is built around the efficiency of leveling up

These cards bring a new look to some of the most iconic cards from the set, including Sothera, the Supervoid
If you believe price manipulation through highly-marketable sales is a "conspiracy theory", I'll direct you to a video by Karl Jobst on the recent spike in video game sales
With so many exciting cards revealed, what are you most looking forward to using in competitive play