30 cards where the cards can be your commander and the color identity ≥ GR and the text includes “land” and the text doesn’t contain “nonland” and the card is available on Paper

Averna, the Chaos Bloom (Commander Legends #269)
Borborygmos and Fblthp (March of the Machine #219)
Borborygmos Enraged (Ravnica Remastered #167)
Coram, the Undertaker (Modern Horizons 3 Commander #7)
Faldorn, Dread Wolf Herald (Commander Legends: Battle for Baldur's Gate #647)
Hazezon, Shaper of Sand (Outlaws of Thunder Junction Commander #229)
Hazezon Tamar (Legends #230)
Huatli, Poet of Unity // Roar of the Fifth People (The Lost Caverns of Ixalan #189)
Huatli, Poet of Unity // Roar of the Fifth People (The Lost Caverns of Ixalan #189)
Kirri, Talented Sprout (Outlaws of Thunder Junction Commander #7)
Klothys, God of Destiny (Theros Beyond Death #220)
Kynaios and Tiro of Meletis (Commander 2016 #36)
Lara Croft, Tomb Raider (Secret Lair Drop #1501)
Livonya Silone (Legends #242)
Mina and Denn, Wildborn (Zendikar Rising Commander #94)
Nikya of the Old Ways (Ravnica Allegiance #193)
Obuun, Mul Daya Ancestor (Zendikar Rising Commander #2)
Omnath, Locus of Creation (Zendikar Rising #232)
Omnath, Locus of Rage (Outlaws of Thunder Junction Commander #236)
Omnath, Locus of the Roil (Core Set 2020 #216)
Phylath, World Sculptor (Zendikar Rising #234)
Preston Garvey, Minuteman (Fallout #8)
Radha, Coalition Warlord (Dominaria United #211)
Radha, Heart of Keld (Core Set 2021 #224)
Rocco, Street Chef (March of the Machine: The Aftermath #44)
Rulik Mons, Warren Chief (Dominaria United #217)
Soul of Windgrace (Dominaria United #220)
Strider, Ranger of the North (The Lord of the Rings: Tales of Middle-earth #232)
The Lady of Otaria (Dominaria United Commander #35)
Yuma, Proud Protector (Outlaws of Thunder Junction Commander #4)
Zacama, Primal Calamity (The Lost Caverns of Ixalan Commander #296)

It is the moment of discovery, the triumph of the mind, and the end of these results.