20 cards where the cards have colorless identity and the card types include “legend” and the card types include “land” and the text includes “:”

Nykthos, Shrine to Nyx (Theros #223)
Gemstone Caverns (Time Spiral Remastered #280)
Inventors' Fair (Kaladesh #247)
Geier Reach Sanitarium (The Lost Caverns of Ixalan Commander #335)
Mikokoro, Center of the Sea (Dominaria United Commander #217)
Dark Depths (Dominaria Remastered #244)
The Grey Havens (The Lord of the Rings: Tales of Middle-earth #255)
Baldur's Gate (Commander Legends: Battle for Baldur's Gate #345)
Boseiju, Who Shelters All (Champions of Kamigawa #273)
Hall of the Bandit Lord (Champions of Kamigawa #277)
Eye of Ugin (Modern Masters 2015 #242)
Matzalantli, the Great Door // The Core (The Lost Caverns of Ixalan #256)
Matzalantli, the Great Door // The Core (The Lost Caverns of Ixalan #256)
Azor's Gateway // Sanctum of the Sun (Rivals of Ixalan #176)
Azor's Gateway // Sanctum of the Sun (Rivals of Ixalan #176)
Miren, the Moaning Well (Saviors of Kamigawa #163)
Untaidake, the Cloud Keeper (Champions of Kamigawa #285)
Gallifrey Council Chamber (Doctor Who #188)
Gods' Eye, Gate to the Reikai (Betrayers of Kamigawa #164)
Rath's Edge (Nemesis #142)
Paliano, the High City (Conspiracy #65)
R&D's Secret Lair (Unhinged #135)

In the blink of an eye, they strode from deep snow to the end of this search.