40 cards where the cards are cards with a date stamp and the cards are set prerelease event promos and the set is “pori”

Gideon's Phalanx (Magic Origins Promos #14s)
Hixus, Prison Warden (Magic Origins Promos #19s)
Knight of the White Orchid (Magic Origins Promos #21s)
Kytheon, Hero of Akros // Gideon, Battle-Forged (Magic Origins Promos #23s)
Kytheon, Hero of Akros // Gideon, Battle-Forged (Magic Origins Promos #23s)
Kytheon's Irregulars (Magic Origins Promos #24s)
Relic Seeker (Magic Origins Promos #29s)
Tragic Arrogance (Magic Origins Promos #38s)
Vryn Wingmare (Magic Origins Promos #40s)
Alhammarret, High Arbiter (Magic Origins Promos #43s)
Harbinger of the Tides (Magic Origins Promos #58s)
Jace, Vryn's Prodigy // Jace, Telepath Unbound (Magic Origins Promos #60s)
Jace, Vryn's Prodigy // Jace, Telepath Unbound (Magic Origins Promos #60s)
Mizzium Meddler (Magic Origins Promos #64s)
Soulblade Djinn (Magic Origins Promos #75s)
Talent of the Telepath (Magic Origins Promos #78s)
Thopter Spy Network (Magic Origins Promos #79s)
Willbreaker (Magic Origins Promos #84s)
Dark Petition (Magic Origins Promos #90s)
Despoiler of Souls (Magic Origins Promos #93s)
Gilt-Leaf Winnower (Magic Origins Promos #99s)
Graveblade Marauder (Magic Origins Promos #101s)
Kothophed, Soul Hoarder (Magic Origins Promos #104s)
Languish (Magic Origins Promos #105s)
Liliana, Heretical Healer // Liliana, Defiant Necromancer (Magic Origins Promos #106s)
Liliana, Heretical Healer // Liliana, Defiant Necromancer (Magic Origins Promos #106s)
Priest of the Blood Rite (Magic Origins Promos #112s)
Abbot of Keral Keep (Magic Origins Promos #127s)
Chandra, Fire of Kaladesh // Chandra, Roaring Flame (Magic Origins Promos #135s)
Chandra, Fire of Kaladesh // Chandra, Roaring Flame (Magic Origins Promos #135s)
Chandra's Ignition (Magic Origins Promos #137s)
Embermaw Hellion (Magic Origins Promos #141s)
Exquisite Firecraft (Magic Origins Promos #143s)
Goblin Piledriver (Magic Origins Promos #151s)
Pia and Kiran Nalaar (Magic Origins Promos #157s)
Scab-Clan Berserker (Magic Origins Promos #160s)
Dwynen, Gilt-Leaf Daen (Magic Origins Promos #172s)
Evolutionary Leap (Magic Origins Promos #176s)
Gaea's Revenge (Magic Origins Promos #177s)
Honored Hierarch (Magic Origins Promos #182s)
Managorger Hydra (Magic Origins Promos #186s)
Nissa, Vastwood Seer // Nissa, Sage Animist (Magic Origins Promos #189s)
Nissa, Vastwood Seer // Nissa, Sage Animist (Magic Origins Promos #189s)
Nissa's Revelation (Magic Origins Promos #191s)
Outland Colossus (Magic Origins Promos #193s)

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