56 cards where the lore includes “spike”

Aardwolf's Advantage (Unfinity #97)
Akoum Hellhound (Zendikar Rising #133)
A-Manticore (Alchemy Horizons: Baldur's Gate #A-163)
Armor Thrull (Fallen Empires #33c)
Azorius Knight-Arbiter (Ravnica Allegiance #154)
Barbed Spike (Modern Horizons 2 #5)
Beast in Show (Unstable #103c)
Brian Selden Bio (World Championship Decks 1998 #bs0a)
Bristling Boar (Core Set 2020 #338)
Flagstones of Trokair (Time Spiral Remastered #278)
Force Spike (Duel Decks: Izzet vs. Golgari #14)
Fortified Village (Tales of Middle-earth Commander #311)
Judith, the Scourge Diva (Multiverse Legends #45)
Kraken Hatchling (Battlebond #121)
Lava Spike (Ultimate Masters #136)
Maniacal Rage (Conflux #68)
Manticore (Adventures in the Forgotten Realms #113)
Mind Spike (Alchemy Horizons: Baldur's Gate #46)
Negate (Zendikar Rising #71)
Pitfall Trap (Modern Masters 2017 #18)
Quietus Spike (New Capenna Commander #377)
Quillspike (Eventide #126)
Rampaging Spiketail (The Lost Caverns of Ixalan #116)
Raugrin Triome (Ikoria: Lair of Behemoths #251)
Riot Spikes (Dissension #146)
Seek the Horizon (Return to Ravnica #134)
Seismic Spike (Ravnica: City of Guilds #141)
Serpentine Spike (Battle for Zendikar #133)
Soul Spike (Coldsnap #70)
Spike Breeder (Tempest Remastered #194)
Spike Cannibal (Exodus #75)
Spike Colony (Tempest Remastered #195)
Spiked Baloth (Magic 2013 #192)
Spiked Pit Trap (Adventures in the Forgotten Realms #251)
Spiked Ripsaw (Innistrad: Crimson Vow #220)
Spike Drone (Tempest #258)
Spike Feeder (Tempest Remastered #196)
Spikefield Hazard // Spikefield Cave (Zendikar Rising #166)
Spikefield Hazard // Spikefield Cave (Zendikar Rising #166)
Spike Hatcher (Tempest Remastered #197)
Spike Jester (Modern Masters 2017 #188)
Spike Rogue (Exodus #127)
Spikeshot Elder (Modern Masters 2015 #127)
Spikeshot Goblin (Commander Masters #256)
Spike Soldier (Stronghold #119)
Spiketail Drake (Prophecy #48)
Spiketail Drakeling (Time Spiral Remastered #89)
Spike-Tailed Ceratops (Ixalan #209)
Spiketail Hatchling (Tenth Edition #111)
Spike Tiller (Time Spiral #218)
Spike, Tournament Grinder (Unstable #69)
Spike Weaver (Exodus #128)
Spikewheel Acrobat (Ravnica Allegiance #118)
Spike Worker (Stronghold #120)
Turntimber Symbiosis // Turntimber, Serpentine Wood (Zendikar Rising #215)
Turntimber Symbiosis // Turntimber, Serpentine Wood (Zendikar Rising #215)
Vicious Battlerager (Commander Legends: Battle for Baldur's Gate #155)
War-Spike Changeling (Modern Masters #139)

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