20 cards where the card types include “planeswalker” and the cards are double-sided

Ajani Goldmane // Ajani Goldmane (Secret Lair Drop #745)
Ajani Goldmane // Ajani Goldmane (Secret Lair Drop #745)
Ajani, Nacatl Pariah // Ajani, Nacatl Avenger (Modern Horizons 3 #237)
Ajani, Nacatl Pariah // Ajani, Nacatl Avenger (Modern Horizons 3 #237)
Arlinn Kord // Arlinn, Embraced by the Moon (Shadows over Innistrad #243)
Arlinn Kord // Arlinn, Embraced by the Moon (Shadows over Innistrad #243)
Arlinn, the Pack's Hope // Arlinn, the Moon's Fury (Innistrad: Midnight Hunt #211)
Arlinn, the Pack's Hope // Arlinn, the Moon's Fury (Innistrad: Midnight Hunt #211)
A-Rowan, Scholar of Sparks // A-Will, Scholar of Frost (Strixhaven: School of Mages #A-156)
A-Rowan, Scholar of Sparks // A-Will, Scholar of Frost (Strixhaven: School of Mages #A-156)
Chandra, Fire of Kaladesh // Chandra, Roaring Flame (Magic Origins #135)
Chandra, Fire of Kaladesh // Chandra, Roaring Flame (Magic Origins #135)
Chandra Nalaar // Chandra Nalaar (Secret Lair Drop #748)
Chandra Nalaar // Chandra Nalaar (Secret Lair Drop #748)
Garruk Relentless // Garruk, the Veil-Cursed (Innistrad #181)
Garruk Relentless // Garruk, the Veil-Cursed (Innistrad #181)
Garruk Wildspeaker // Garruk Wildspeaker (Secret Lair Drop #749)
Garruk Wildspeaker // Garruk Wildspeaker (Secret Lair Drop #749)
Invasion of New Phyrexia // Teferi Akosa of Zhalfir (March of the Machine #239)
Invasion of New Phyrexia // Teferi Akosa of Zhalfir (March of the Machine #239)
Jace Beleren // Jace Beleren (Secret Lair Drop #746)
Jace Beleren // Jace Beleren (Secret Lair Drop #746)
Jace, Vryn's Prodigy // Jace, Telepath Unbound (Magic Origins #60)
Jace, Vryn's Prodigy // Jace, Telepath Unbound (Magic Origins #60)
Kytheon, Hero of Akros // Gideon, Battle-Forged (Magic Origins #23)
Kytheon, Hero of Akros // Gideon, Battle-Forged (Magic Origins #23)
Liliana, Heretical Healer // Liliana, Defiant Necromancer (Commander Collection: Black #1)
Liliana, Heretical Healer // Liliana, Defiant Necromancer (Commander Collection: Black #1)
Liliana Vess // Liliana Vess (Secret Lair Drop #747)
Liliana Vess // Liliana Vess (Secret Lair Drop #747)
Mila, Crafty Companion // Lukka, Wayward Bonder (Strixhaven: School of Mages #153)
Mila, Crafty Companion // Lukka, Wayward Bonder (Strixhaven: School of Mages #153)
Nicol Bolas, the Ravager // Nicol Bolas, the Arisen (Core Set 2019 #218)
Nicol Bolas, the Ravager // Nicol Bolas, the Arisen (Core Set 2019 #218)
Nissa, Vastwood Seer // Nissa, Sage Animist (Magic Origins #189)
Nissa, Vastwood Seer // Nissa, Sage Animist (Magic Origins #189)
Rowan, Scholar of Sparks // Will, Scholar of Frost (Strixhaven: School of Mages #156)
Rowan, Scholar of Sparks // Will, Scholar of Frost (Strixhaven: School of Mages #156)
Valki, God of Lies // Tibalt, Cosmic Impostor (Kaldheim #114)
Valki, God of Lies // Tibalt, Cosmic Impostor (Kaldheim #114)

The message was clear to Sorin—time to search for something else.