18 cards where the color identity ≤ G and the text includes “explores”

Cenote Scout (The Lost Caverns of Ixalan #178)
Emperor's Vanguard (Ixalan #189)
Enter the Unknown (Rivals of Ixalan #128)
Glowcap Lantern (The Lost Caverns of Ixalan #187)
Ixalli's Diviner (Ixalan #192)
Jadelight Ranger (Rivals of Ixalan #136)
Jadelight Spelunker (The Lost Caverns of Ixalan #196)
Merfolk Branchwalker (Ixalan #197)
Over the Edge (The Lost Caverns of Ixalan #205)
Pathfinding Axejaw (The Lost Caverns of Ixalan #206)
Path of Discovery (Rivals of Ixalan #142)
River Herald Guide (The Lost Caverns of Ixalan #209)
Seeker of Sunlight (The Lost Caverns of Ixalan #210)
Shadowed Caravel (Ixalan #246)
Tishana's Wayfinder (Ixalan #211)
Topography Tracker (The Lost Caverns of Ixalan Commander #95)
Twists and Turns // Mycoid Maze (The Lost Caverns of Ixalan #217)
Twists and Turns // Mycoid Maze (The Lost Caverns of Ixalan #217)
Wildgrowth Walker (Ixalan #216)

This search is finished. Now the real work can begin.