49 cards where the illustration contains “countermagic”

Abjure (Weatherlight #31)
Absorb (Ravnica Allegiance #151)
Annul (Kaldheim #42)
Archmage's Charm (Modern Horizons #40)
Cancel (Amonkhet #44)
Change the Equation (March of the Machine #50)
Channel Harm (Fate Reforged #7)
Complicate (Onslaught #76)
Controvert (Coldsnap #30)
Convolute (Ikoria: Lair of Behemoths #45)
Convolute (Eldritch Moon #53)
Counterbalance (Coldsnap #31)
Counterspell (Secret Lair Drop #331)
Dispel (Return to Ravnica #36)
Ertai (Vanguard Series #101)
Fervent Denial (Commander 2019 #86)
Fierce Guardianship (Commander 2020 #35)
Forceful Denial (Commander Legends #69)
Force of Negation (Modern Horizons #52)
Force of Will (Eternal Masters #49)
Force of Will (Double Masters #340)
Force of Will (Judge Gift Cards 2014 #4)
Fuel for the Cause (Mirrodin Besieged #25)
Hindering Light (Shards of Alara #173)
Lofty Denial (Core Set 2021 #56)
Logic Knot (Time Spiral Remastered #73)
Mana Leak (Magic 2011 #62)
Mana Leak (Stronghold #36)
Molten Influence (Odyssey #207)
Mystic Denial (Portal #61)
Negate (Zendikar Rising #71)
Negate (Rivals of Ixalan #44)
Negate (Morningtide #43)
Neutralizing Blast (Fate Reforged #44)
Out of Bounds (Battlebond #38)
Quench (Ravnica Allegiance #48)
Rakshasa's Disdain (Fate Reforged #45)
Reduce // Rubble (Amonkhet #216)
Saw It Coming (Planeswalker Championship Promos #2021-4)
Sideswipe (Champions of Kamigawa #187)
Spell Snuff (Modern Horizons #70)
Statute of Denial (Magic 2015 #79)
Stoic Rebuttal (Scars of Mirrodin #46)
Syncopate (Return to Ravnica #54)
Trap Essence (Khans of Tarkir Promos #209s)
Trial // Error (Dissension #158)
Turn Aside (Scars of Mirrodin #49)
Unified Will (Rise of the Eldrazi #92)
Voidmage Prodigy (Magic Player Rewards 2003 #1)

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