31 cards where the name is exactly “swamp” and the artist name includes “jung park”

Swamp (Game Night 2019 #60)
Swamp (Game Night #64)
Swamp (Commander Anthology Volume II #295)
Swamp (Commander Anthology #301)
Swamp (Commander Anthology #302)
Swamp (Duel Decks: Nissa vs. Ob Nixilis #69)
Swamp (Shadows over Innistrad #290)
Swamp (Duel Decks: Blessed vs. Cursed #76)
Swamp (Commander 2015 #334)
Swamp (Battle for Zendikar #263a)
Swamp (Magic Origins #264)
Swamp (Commander 2014 #328)
Swamp (Duel Decks: Speed vs. Cunning #40)
Swamp (Magic 2015 #261)
Swamp (Commander 2013 #347)
Swamp (Magic 2014 #240)
Swamp (Duel Decks: Sorin vs. Tibalt #37)
Swamp (Duel Decks: Sorin vs. Tibalt #80)
Swamp (Magic 2013 #241)
Swamp (Avacyn Restored #238)
Swamp (Innistrad #258)
Swamp (Magic 2012 #240)
Swamp (Commander 2011 #308)
Swamp (Zendikar #239a)
Swamp (Innistrad Remastered #292)
Swamp (Foundations Jumpstart #88)
Swamp (Shadows over Innistrad Remastered #284)
Swamp (Starter Commander Decks #343)
Swamp (Battle for Zendikar #263)
Swamp (Premium Deck Series: Graveborn #29)
Swamp (Zendikar #239)

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