45 cards where the card is tagged “mm-counters-matter”

Ammit Eternal (Hour of Devastation #57)
Banewhip Punisher (Hour of Devastation #59)
Belligerent Hatchling (Eventide #134)
Blowfly Infestation (Shadowmoor #58)
Carnifex Demon (Scars of Mirrodin #57)
Chainbreaker (Shadowmoor #249)
Channeler Initiate (Amonkhet #160)
Crumbling Ashes (Eventide #35)
Decimator Beetle (Amonkhet #197)
Defiant Greatmaw (Amonkhet #163)
Deity of Scars (Eventide #118)
Dusk Urchins (Shadowmoor #65)
Etched Monstrosity (Modern Masters 2015 #210)
Exemplar of Strength (Amonkhet #165)
Flourishing Defenses (Shadowmoor #114)
Giant Oyster (Time Spiral Timeshifted #22)
Grief Tyrant (Shadowmoor #189)
Grim Poppet (Shadowmoor #252)
Grind // Dust (Hour of Devastation #155)
Hapatra's Mark (Amonkhet #169)
Hapatra, Vizier of Poisons (Amonkhet #199)
Heartmender (Shadowmoor #228)
Lichenthrope (Visions #112)
Liliana, Death Wielder (Amonkhet #275)
Lockjaw Snapper (Shadowmoor #255)
Magmaroth (Hour of Devastation #102)
Morselhoarder (Shadowmoor #212)
Necroskitter (Modern Masters 2015 #88)
Nest of Scarabs (Amonkhet #101)
Noxious Hatchling (Eventide #124)
Obelisk Spider (Hour of Devastation #141)
Quillspike (Eventide #126)
Shed Weakness (Ultimate Masters #181)
Shrewd Hatchling (Modern Masters 2015 #198)
Soulstinger (Amonkhet #108)
Spitting Dilophosaurus (Jurassic World Collection #3)
Sturdy Hatchling (Eventide #163)
Tenacious Hunter (Hour of Devastation #136)
The Scorpion God (Hour of Devastation #146)
Thunderblust (Modern Masters 2015 #131)
Vizier of Remedies (Amonkhet #38)
Voracious Hatchling (Eventide #97)
Wickerbough Elder (New Capenna Commander #320)
Witherscale Wurm (Shadowmoor #134)
Woeleecher (Shadowmoor #27)

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