This is due to needing significantly more copies of the card than usual in Commander and beyond
That journey led him to help form The Gatewatch, a team of heroes dedicated to stopping threats that could destroy the multiverse

Awaken the Erstwhile Balancing Act Chandra Ablaze Creeping Dread Cunning Lethemancer Dark Deal Delirium Skeins Dragon Mage Earsplitting Rats Enemy of Enlightenment Fanatic of the Harrowing Flux Gutmorn, Pactbound Servant Ill-Gotten Gains Incendiary Command Jace's Archivist Kardur's Vicious Return Kefka, Court Mage Largepox (playtest) Liliana of the Veil Liliana, Defiant Necromancer Liliana, Waker of the Dead Magus of the Jar Magus of the Wheel Marsh Crocodile Memory Jar Miasmic Mummy Mindlash Sliver Mindslicer Naktamun Lorespinner Neheb, the Worthy Rankle's Prank Rankle, Master of Pranks Reforge the Soul Rix Maadi, Dungeon Palace Rotting Rats Runehorn Hellkite Seek Bolas's Counsel (playtest) Sensation Gorger Serum Raker Sibsig Icebreakers Sire of Insanity Strategy, Schmategy Strongarm Tactics Stronghold Rats Wheel of Fate Wheel of Fortune Whispering Madness Windfall

Because of my hypothetical ten turns to mill everyone out, wed need to be around thirteen cards from every other players deck from turn three onward
You can only use this effect of "Soulshorn Harpy" once per turn
Does it work for Japanese and English packs