Assert Authority #30 · Foil
MRD
Mirrodin
EN
Foil
Details
Assert Authority
Foil
Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.
Set Name
Mirrodin
Set Code
MRD
Set Series
Mirrodin
Card Number
30
Language
EN
Variant
Foil
Rarity
Uncommon
Colour
U
Play Cost
{5}{U}{U}
Card Type
Instant
Card abilities
Affinity, Exile, Removal, Counterspell, Interaction
Illustrator
Greg Hildebrandt
Release Date
2 Oct 2003
TCGPlayer ID
11353
Cardmarket ID
30
MTGO ID
20199
PriceCharting ID
2236553
Scryfall ID
fc339ed7-e1d4-4fe9-a4c4-b030d3e74c00
Barcode
2079556420448
Larrikin Market Pricing
To understand its value, here's an international market summary. It seems to be selling around $2.50 – $6.83.
$2.50 – $6.83
View a source's price:
Market confidence
Low
Volume
Medium
Updated
14 Sep 2026
Mirrodin
Magic: The Gathering · EN · MRD
| # | Name | Variants |
|---|---|---|
| 1 | Altar's Light | |
| 10 | Leonin Elder | |
| 100 | Megatog | |
| 101 | Molten Rain | |
| 102 | Ogre Leadfoot | |
| 103 | Rustmouth Ogre | |
| 104 | Seething Song | |
| 105 | Shatter | |
| 106 | Shrapnel Blast | |
| 107 | Slith Firewalker | |
| 108 | Spikeshot Goblin | |
| 109 | Trash for Treasure | |
| 11 | Leonin Skyhunter | |
| 110 | Vulshok Battlemaster | |
| 111 | Vulshok Berserker | |
| 112 | War Elemental | |
| 113 | Battlegrowth | |
| 114 | Bloodscent | |
| 115 | Brown Ouphe | |
| 116 | Copperhoof Vorrac | |
| 117 | Creeping Mold | |
| 118 | Deconstruct | |
| 119 | Fangren Hunter | |
| 12 | Loxodon Mender | |
| 120 | Glissa Sunseeker | |
| 121 | Groffskithur | |
| 122 | Hum of the Radix | |
| 123 | Journey of Discovery | |
| 124 | Living Hive | |
| 125 | Molder Slug | |
| 126 | One Dozen Eyes | |
| 127 | Plated Slagwurm | |
| 128 | Predator's Strike | |
| 129 | Slith Predator | |
| 13 | Loxodon Peacekeeper | |
| 130 | Sylvan Scrying | |
| 131 | Tel-Jilad Archers | |
| 132 | Tel-Jilad Chosen | |
| 133 | Tel-Jilad Exile | |
| 134 | Tooth and Nail | |
| 135 | Troll Ascetic | |
| 136 | Trolls of Tel-Jilad | |
| 137 | Turn to Dust | |
| 138 | Viridian Joiner | |
| 139 | Viridian Shaman | |
| 14 | Loxodon Punisher | |
| 140 | Wurmskin Forger | |
| 141 | Aether Spellbomb | |
| 142 | Alpha Myr | |
| 143 | Altar of Shadows | |
| 144 | Banshee's Blade | |
| 145 | Blinkmoth Urn | |
| 146 | Bonesplitter | |
| 147 | Bosh, Iron Golem | |
| 148 | Bottle Gnomes | |
| 149 | Cathodion | |
| 15 | Luminous Angel | |
| 150 | Chalice of the Void | |
| 151 | Chromatic Sphere | |
| 152 | Chrome Mox | |
| 153 | Clockwork Beetle | |
| 154 | Clockwork Condor | |
| 155 | Clockwork Dragon | |
| 156 | Clockwork Vorrac | |
| 157 | Cobalt Golem | |
| 158 | Copper Myr | |
| 159 | Crystal Shard | |
| 16 | Raise the Alarm | |
| 160 | Culling Scales | |
| 161 | Damping Matrix | |
| 162 | Dead-Iron Sledge | |
| 163 | Dragon Blood | |
| 164 | Dross Scorpion | |
| 165 | Duplicant | |
| 166 | Duskworker | |
| 167 | Elf Replica | |
| 168 | Empyrial Plate | |
| 169 | Extraplanar Lens | |
| 17 | Razor Barrier | |
| 170 | Farsight Mask | |
| 171 | Fireshrieker | |
| 172 | Frogmite | |
| 173 | Galvanic Key | |
| 174 | Gate to the Aether | |
| 175 | Gilded Lotus | |
| 176 | Goblin Charbelcher | |
| 177 | Goblin Dirigible | |
| 178 | Goblin Replica | |
| 179 | Goblin War Wagon | |
| 18 | Roar of the Kha | |
| 180 | Gold Myr | |
| 181 | Golem-Skin Gauntlets | |
| 182 | Granite Shard | |
| 183 | Grid Monitor | |
| 184 | Heartwood Shard | |
| 185 | Hematite Golem | |
| 186 | Icy Manipulator | |
| 187 | Iron Myr | |
| 188 | Isochron Scepter | |
| 189 | Jinxed Choker | |
| 19 | Rule of Law | |
| 190 | Krark's Thumb | |
| 191 | Leaden Myr | |
| 192 | Leonin Bladetrap | |
| 193 | Leonin Scimitar | |
| 194 | Leonin Sun Standard | |
| 195 | Leveler | |
| 196 | Liar's Pendulum | |
| 197 | Lifespark Spellbomb | |
| 198 | Lightning Coils | |
| 199 | Lightning Greaves | |
| 2 | Arrest | |
| 20 | Second Sunrise | |
| 200 | Lodestone Myr | |
| 201 | Loxodon Warhammer | |
| 202 | Malachite Golem | |
| 203 | Mask of Memory | |
| 204 | Mesmeric Orb | |
| 205 | Mind's Eye | |
| 206 | Mindslaver | |
| 207 | Mindstorm Crown | |
| 208 | Mirror Golem | |
| 209 | Mourner's Shield | |
| 21 | Skyhunter Cub | |
| 210 | Myr Adapter | |
| 211 | Myr Enforcer | |
| 212 | Myr Incubator | |
| 213 | Myr Mindservant | |
| 214 | Myr Prototype | |
| 215 | Myr Retriever | |
| 216 | Necrogen Spellbomb | |
| 217 | Needlebug | |
| 218 | Neurok Hoversail | |
| 219 | Nightmare Lash | |
| 22 | Skyhunter Patrol | |
| 220 | Nim Replica | |
| 221 | Nuisance Engine | |
| 222 | Oblivion Stone | |
| 223 | Omega Myr | |
| 224 | Ornithopter | |
| 225 | Pearl Shard | |
| 226 | Pentavus | |
| 227 | Pewter Golem | |
| 228 | Platinum Angel | |
| 229 | Power Conduit | |
| 23 | Slith Ascendant | |
| 230 | Proteus Staff | |
| 231 | Psychogenic Probe | |
| 232 | Pyrite Spellbomb | |
| 233 | Quicksilver Fountain | |
| 234 | Rust Elemental | |
| 235 | Rustspore Ram | |
| 236 | Scale of Chiss-Goria | |
| 237 | Scrabbling Claws | |
| 238 | Sculpting Steel | |
| 239 | Scythe of the Wretched | |
| 24 | Solar Tide | |
| 240 | Serum Tank | |
| 241 | Silver Myr | |
| 242 | Skeleton Shard | |
| 243 | Slagwurm Armor | |
| 244 | Soldier Replica | |
| 245 | Solemn Simulacrum | |
| 246 | Soul Foundry | |
| 247 | Spellweaver Helix | |
| 248 | Steel Wall | |
| 249 | Sun Droplet | |
| 25 | Soul Nova | |
| 250 | Sunbeam Spellbomb | |
| 251 | Sword of Kaldra | |
| 252 | Synod Sanctum | |
| 253 | Talisman of Dominance | |
| 254 | Talisman of Impulse | |
| 255 | Talisman of Indulgence | |
| 256 | Talisman of Progress | |
| 257 | Talisman of Unity | |
| 258 | Tanglebloom | |
| 259 | Tangleroot | |
| 26 | Sphere of Purity | |
| 260 | Tel-Jilad Stylus | |
| 261 | Thought Prison | |
| 262 | Timesifter | |
| 263 | Titanium Golem | |
| 264 | Tooth of Chiss-Goria | |
| 265 | Tower of Champions | |
| 266 | Tower of Eons | |
| 267 | Tower of Fortunes | |
| 268 | Tower of Murmurs | |
| 269 | Triskelion | |
| 27 | Taj-Nar Swordsmith | |
| 270 | Viridian Longbow | |
| 271 | Vorrac Battlehorns | |
| 272 | Vulshok Battlegear | |
| 273 | Vulshok Gauntlets | |
| 274 | Welding Jar | |
| 275 | Wizard Replica | |
| 276 | Worldslayer | |
| 277 | Yotian Soldier | |
| 278 | Ancient Den | |
| 279 | Blinkmoth Well | |
| 28 | Tempest of Light | |
| 280 | Cloudpost | |
| 281 | Glimmervoid | |
| 282 | Great Furnace | |
| 283 | Seat of the Synod | |
| 284 | Stalking Stones | |
| 285 | Tree of Tales | |
| 286 | Vault of Whispers | |
| 287 | Plains | |
| 288 | Plains | |
| 289 | Plains | |
| 29 | Annul | |
| 290 | Plains | |
| 291 | Island | |
| 292 | Island | |
| 293 | Island | |
| 294 | Island | |
| 295 | Swamp | |
| 296 | Swamp | |
| 297 | Swamp | |
| 298 | Swamp | |
| 299 | Mountain | |
| 3 | Auriok Bladewarden | |
| 30 | Assert Authority | |
| 300 | Mountain | |
| 301 | Mountain | |
| 302 | Mountain | |
| 303 | Forest | |
| 304 | Forest | |
| 305 | Forest | |
| 306 | Forest | |
| 31 | Broodstar | |
| 32 | Disarm | |
| 33 | Domineer | |
| 34 | Dream's Grip | |
| 35 | Fabricate | |
| 36 | Fatespinner | |
| 37 | Inertia Bubble | |
| 38 | Looming Hoverguard | |
| 39 | Lumengrid Augur | |
| 4 | Auriok Steelshaper | |
| 40 | Lumengrid Sentinel | |
| 41 | Lumengrid Warden | |
| 42 | March of the Machines | |
| 43 | Neurok Familiar | |
| 44 | Neurok Spy | |
| 45 | Override | |
| 46 | Psychic Membrane | |
| 47 | Quicksilver Elemental | |
| 48 | Regress | |
| 49 | Shared Fate | |
| 5 | Auriok Transfixer | |
| 50 | Slith Strider | |
| 51 | Somber Hoverguard | |
| 52 | Temporal Cascade | |
| 53 | Thirst for Knowledge | |
| 54 | Thoughtcast | |
| 55 | Vedalken Archmage | |
| 56 | Wanderguard Sentry | |
| 57 | Barter in Blood | |
| 58 | Betrayal of Flesh | |
| 59 | Chimney Imp | |
| 6 | Awe Strike | |
| 60 | Consume Spirit | |
| 61 | Contaminated Bond | |
| 62 | Disciple of the Vault | |
| 63 | Dross Harvester | |
| 64 | Dross Prowler | |
| 65 | Flayed Nim | |
| 66 | Grim Reminder | |
| 67 | Irradiate | |
| 68 | Moriok Scavenger | |
| 69 | Necrogen Mists | |
| 7 | Blinding Beam | |
| 70 | Nim Devourer | |
| 71 | Nim Lasher | |
| 72 | Nim Shambler | |
| 73 | Nim Shrieker | |
| 74 | Promise of Power | |
| 75 | Reiver Demon | |
| 76 | Relic Bane | |
| 77 | Slith Bloodletter | |
| 78 | Spoils of the Vault | |
| 79 | Terror | |
| 8 | Leonin Abunas | |
| 80 | Vermiculos | |
| 81 | Wail of the Nim | |
| 82 | Wall of Blood | |
| 83 | Woebearer | |
| 84 | Wrench Mind | |
| 85 | Arc-Slogger | |
| 86 | Atog | |
| 87 | Confusion in the Ranks | |
| 88 | Detonate | |
| 89 | Electrostatic Bolt | |
| 9 | Leonin Den-Guard | |
| 90 | Fiery Gambit | |
| 91 | Fists of the Anvil | |
| 92 | Forge Armor | |
| 93 | Fractured Loyalty | |
| 94 | Goblin Striker | |
| 95 | Grab the Reins | |
| 96 | Incite War | |
| 97 | Krark-Clan Grunt | |
| 98 | Krark-Clan Shaman | |
| 99 | Mass Hysteria |
Currently out of stock
Price
Price unavailable
Larrikin Market Pricing
Selling around $2.50 – $6.83.
$2.50 – $6.83
Sources:
Market confidence
Low
Volume
Medium
Updated
14 Sep 2026
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