(6/1/2012) The next time a player planeswalks, they planeswalk away from both planes
When that happens, you sacrifice Sothera and can take control of a creature exiled in this way
Its even legal in Standard, but its not very good since it cant be reanimated

Ademi of the Silkchutes Aerie Mystics Afterlife Insurance Age of Ultron Ajani, Inspiring Leader Akroma's Blessing Akroma's Will Akroma's Will Angelic Skirmisher Ankle Shanker Appeal // Authority Appeal // Authority Archangel Avacyn Arm with ther Atarka Pummeler Azorius Charm Baleful Beholder Binding the Old Gods Bitter Reunion Bleeding Effect Blinding Fog Blood-Chin Rager Blossoming Bogbeast Bog Badger Bond of Discipline Boromir, Warden of the Tower Brave the Elements Burst of Speed Chance for Glory Chasm Guide Cleaver Riot Company Commander Concerted Effort Conclave Guildmage Crash Through Crashing Drawbridge Craterhoof Behemoth Crossbow Ambush Dauntless Escort Deafening Clarion Divine Resilience Dominaria's Judgment Draconautics Engineer Dragon Throne of Tarkir Dragonrage Driven // Despair Driven // Despair Drover Grizzly Duty Beyond Death Elspeth, Undaunted Hero Emeria's Call Essence of Antiquity Family Reunion Fervor Firemantle Mage Flawless Maneuver Frontline Medic Frostwind Invoker Furystoke Giant Garruk, Savage Herald Garruk, the Veil-Cursed Gavony Ghastly Death Tyrant Gideon's Phalanx Glaring Spotlight Glory Goring Ceratops Goro-Goro and Satoru Goro-Goro, Disciple of Ryusei Grand Crescendo Greenbelt Radical Gruesome Slaughter

Fell the Mighty and Fumigate will also trigger nicely with Meathook Massacre on your board and give you loads of additional life gain, potentially making for a lovely finale and win condition
If competitive Magic is not your thing, you can also check out our Secrets of Strixhaven Horde Mode guide for a more casual way to enjoy the set