14 cards where the name includes “mountain-”

Goblin Mountaineer (Shards of Alara #102)
Madblind Mountain (Shadowmoor #274)
Magnetic Mountain (Fourth Edition #209)
Mountain (Foundations #278)
Mountain Bandit (Portal Three Kingdoms #117)
Mountain Goat (Classic Sixth Edition #195)
Mountain Stronghold (Legends #304)
Mountain Titan (Ice Age #299)
Mountain Valley (Commander Masters #1012)
Mountain Yeti (Masters Edition #105)
Oread of Mountain's Blaze (Theros Beyond Death #146)
Snow-Covered Mountain (Kaldheim #282)
The Lady of the Mountain (Masters Edition III #180)
Undermountain Adventurer (Commander Legends: Battle for Baldur's Gate #260)

Though this query has ended, its relics still slumber in New Argive.