Mary O'Kill #138 · Foil
UST
Unstable
EN
Foil
Details
Mary O'Kill
Foil
{1}{B/R}: Switch a Killbot or Mary O'Kill in your hand with one on the battlefield. (If a creature is tapped, the switched creature is tapped. The same is true for untapped, attacking, blocking, enchanted, equipped, and targeted. Any counters on a creature are on the switched creature instead.)
Set Name
Unstable
Set Code
UST
Set Series
Unstable
Card Number
138
Language
EN
Variant
Foil
Rarity
Rare
Colour
B,R
Play Cost
{5}{B/R}
Card Type
Legendary Creature — Human Villain
Illustrator
Simon Dominic
Release Date
8 Dec 2017
TCGPlayer ID
152512
Cardmarket ID
313701
PriceCharting ID
5552912
Scryfall ID
2b1ccdda-07a0-445b-b146-51c1e3a05421
Barcode
2091206722467
Larrikin Market Pricing
To understand its value, here's an international market summary. It seems to be selling around $0.50 – $1.20.
$0.50 – $1.20
View a source's price:
Market confidence
Low
Volume
Medium
Updated
14 Sep 2026
Unstable
Magic: The Gathering · EN · UST
| # | Name | Variants |
|---|---|---|
| 1 | Adorable Kitten | |
| 10 | Humming- | |
| 100 | Work a Double | |
| 101 | Wrench-Rigger | |
| 102 | As Luck Would Have It | |
| 103a | Beast in Show | |
| 103b | Beast in Show | |
| 103c | Beast in Show | |
| 103d | Beast in Show | |
| 104 | Chittering Doom | |
| 105 | Clever Combo | |
| 106 | Druid of the Sacred Beaker | |
| 107 | Eager Beaver | |
| 108 | Earl of Squirrel | |
| 109 | First Pick | |
| 11 | Jackknight | |
| 110 | Ground Pounder | |
| 111 | Half-Squirrel, Half- | |
| 112 | Hydradoodle | |
| 113a | Ineffable Blessing | |
| 113b | Ineffable Blessing | |
| 113c | Ineffable Blessing | |
| 113d | Ineffable Blessing | |
| 113e | Ineffable Blessing | |
| 113f | Ineffable Blessing | |
| 114 | Joyride Rigger | |
| 115 | Monkey- | |
| 116 | Mother Kangaroo | |
| 117 | Multi-Headed | |
| 118 | Really Epic Punch | |
| 119 | Selfie Preservation | |
| 120 | Serpentine | |
| 121 | Shellephant | |
| 122 | Slaying Mantis | |
| 123 | Squirrel Dealer | |
| 124 | Steamflogger Service Rep | |
| 125 | Wild Crocodile | |
| 126 | Willing Test Subject | |
| 127 | Baron Von Count | |
| 128 | Better Than One | |
| 129 | Cramped Bunker | |
| 12a | Knight of the Kitchen Sink | |
| 12b | Knight of the Kitchen Sink | |
| 12c | Knight of the Kitchen Sink | |
| 12d | Knight of the Kitchen Sink | |
| 12e | Knight of the Kitchen Sink | |
| 12f | Knight of the Kitchen Sink | |
| 13 | Knight of the Widget | |
| 130 | Dr. Julius Jumblemorph | |
| 131 | The Grand Calcutron | |
| 132 | Grusilda, Monster Masher | |
| 133 | Hot Fix | |
| 134 | Ol' Buzzbark | |
| 135 | Phoebe, Head of S.N.E.A.K. | |
| 136 | Urza, Academy Headmaster | |
| 137 | X | |
| 138 | Mary O'Kill | |
| 139 | Angelic Rocket | |
| 14 | Midlife Upgrade | |
| 140 | Border Guardian | |
| 141 | Buzzing Whack-a-Doodle | |
| 142 | Clock of DOOOOOOOOOOOOM! | |
| 143 | Cogmentor | |
| 144 | Contraption Cannon | |
| 145a | Curious Killbot | |
| 145b | Delighted Killbot | |
| 145c | Despondent Killbot | |
| 145d | Enraged Killbot | |
| 146 | Entirely Normal Armchair | |
| 147a | Everythingamajig | |
| 147b | Everythingamajig | |
| 147c | Everythingamajig | |
| 147d | Everythingamajig | |
| 147e | Everythingamajig | |
| 147f | Everythingamajig | |
| 148 | Gnome-Made Engine | |
| 149 | Handy Dandy Clone Machine | |
| 15 | Oddly Uneven | |
| 150 | Kindslaver | |
| 151 | Krark's Other Thumb | |
| 152 | Labro Bot | |
| 153 | Lobe Lobber | |
| 154 | Mad Science Fair Project | |
| 155 | Modular Monstrosity | |
| 156 | Proper Laboratory Attire | |
| 157 | Robo- | |
| 158 | Split Screen | |
| 159 | Staff of the Letter Magus | |
| 16 | Old Guard | |
| 160 | Stamp of Approval | |
| 161 | Steam-Powered | |
| 162 | Steel Squirrel | |
| 163 | Sword of Dungeons & Dragons | |
| 164 | Voracious Vacuum | |
| 165a | Secret Base | |
| 165b | Secret Base | |
| 165c | Secret Base | |
| 165d | Secret Base | |
| 165e | Secret Base | |
| 166 | Watermarket | |
| 167 | Accessories to Murder | |
| 168 | Applied Aeronautics | |
| 169 | Arms Depot | |
| 17 | Ordinary Pony | |
| 170 | Auto-Key | |
| 171 | Bee-Bee Gun | |
| 172 | Boomflinger | |
| 173 | Buzz Buggy | |
| 174 | Deadly Poison Sampler | |
| 175 | Dictation Quillograph | |
| 176 | Dispatch Dispensary | |
| 177 | Division Table | |
| 178 | Dogsnail Engine | |
| 179 | Dual Doomsuits | |
| 18 | Rhino- | |
| 180 | Duplication Device | |
| 181 | Faerie Aerie | |
| 182 | Genetic Recombinator | |
| 183 | Gift Horse | |
| 184 | Gnomeball Machine | |
| 185 | Goblin Slingshot | |
| 186 | Guest List | |
| 187 | Hard Hat Area | |
| 188 | Head Banger | |
| 189 | Hypnotic Swirly Disc | |
| 19 | Riveting Rigger | |
| 190 | Inflation Station | |
| 191 | Insufferable Syphon | |
| 192 | Jamming Device | |
| 193 | Lackey Recycler | |
| 194 | Mandatory Friendship Shackles | |
| 195 | Neural Network | |
| 196 | Oaken Power Suit | |
| 197 | Optical Optimizer | |
| 198 | Pet Project | |
| 199 | Quick-Stick Lick Trick | |
| 2 | Aerial Toastmaster | |
| 20 | Rules Lawyer | |
| 200 | Rapid Prototyper | |
| 201 | Record Store | |
| 202 | Refibrillator | |
| 203 | Sap Sucker | |
| 204 | Sundering Fork | |
| 205 | Targeting Rocket | |
| 206 | Thud-for-Duds | |
| 207 | Top-Secret Tunnel | |
| 208 | Tread Mill | |
| 209 | Turbo-Thwacking Auto-Hammer | |
| 21 | Sacrifice Play | |
| 210 | Twiddlestick Charger | |
| 211 | Widget Contraption | |
| 212 | Plains | |
| 213 | Island | |
| 214 | Swamp | |
| 215 | Mountain | |
| 216 | Forest | |
| 22 | Shaggy Camel | |
| 23 | Side Quest | |
| 24 | Success! | |
| 25 | Teacher's Pet | |
| 26 | Animate Library | |
| 27 | Blurry Beeble | |
| 28 | Chipper Chopper | |
| 29 | Clocknapper | |
| 30 | Crafty Octopus | |
| 31 | Crow Storm | |
| 32 | Defective Detective | |
| 33 | Five-Finger Discount | |
| 34 | Graveyard Busybody | |
| 35 | Half-Shark, Half- | |
| 36 | Incite Insight | |
| 37 | Kindly Cognician | |
| 38 | Magic Word | |
| 39 | Mer Man | |
| 3a | Amateur Auteur | |
| 3b | Amateur Auteur | |
| 3c | Amateur Auteur | |
| 3d | Amateur Auteur | |
| 4 | By Gnome Means | |
| 40 | More or Less | |
| 41a | Novellamental | |
| 41b | Novellamental | |
| 41c | Novellamental | |
| 41d | Novellamental | |
| 42 | Numbing Jellyfish | |
| 43 | S.N.E.A.K. Dispatcher | |
| 44 | Socketed Sprocketer | |
| 45 | Spell Suck | |
| 46 | Spy Eye | |
| 47 | Suspicious Nanny | |
| 48 | Time Out | |
| 49a | Very Cryptic Command | |
| 49b | Very Cryptic Command | |
| 49c | Very Cryptic Command | |
| 49d | Very Cryptic Command | |
| 49e | Very Cryptic Command | |
| 49f | Very Cryptic Command | |
| 5 | Chivalrous Chevalier | |
| 50 | Wall of Fortune | |
| 51 | Big Boa Constrictor | |
| 52 | capital offense | |
| 53 | Dirty Rat | |
| 54a | Extremely Slow Zombie | |
| 54b | Extremely Slow Zombie | |
| 54c | Extremely Slow Zombie | |
| 54d | Extremely Slow Zombie | |
| 55 | Finders, Keepers | |
| 56 | Hangman | |
| 57 | Hazmat Suit (Used) | |
| 58 | Hoisted Hireling | |
| 59 | Inhumaniac | |
| 6 | Do-It-Yourself Seraph | |
| 60 | Masterful Ninja | |
| 61 | Ninja | |
| 62 | Old-Fashioned Vampire | |
| 63 | Over My Dead Bodies | |
| 64 | Overt Operative | |
| 65 | "Rumors of My Death . . ." | |
| 66 | Skull Saucer | |
| 67a | Sly Spy | |
| 67b | Sly Spy | |
| 67c | Sly Spy | |
| 67d | Sly Spy | |
| 67e | Sly Spy | |
| 67f | Sly Spy | |
| 68 | Snickering Squirrel | |
| 69 | Spike, Tournament Grinder | |
| 7 | Gimme Five | |
| 70 | Squirrel-Powered Scheme | |
| 71 | Steady-Handed Mook | |
| 72 | Stinging Scorpion | |
| 73 | Subcontract | |
| 74 | Summon the Pack | |
| 75 | Zombified | |
| 76 | The Big Idea | |
| 77 | Box of Free-Range Goblins | |
| 78 | Bumbling Pangolin | |
| 79 | Common Iguana | |
| 8 | GO TO JAIL | |
| 80 | The Countdown Is at One | |
| 81 | Feisty Stegosaurus | |
| 82a | Garbage Elemental | |
| 82b | Garbage Elemental | |
| 82c | Garbage Elemental | |
| 82d | Garbage Elemental | |
| 82e | Garbage Elemental | |
| 82f | Garbage Elemental | |
| 83 | Goblin Haberdasher | |
| 84 | Half-Orc, Half- | |
| 85 | Hammer Helper | |
| 86 | Hammer Jammer | |
| 87 | Hammerfest Boomtacular | |
| 88 | Infinity Elemental | |
| 89 | It That Gets Left Hanging | |
| 9 | Half-Kitten, Half- | |
| 90 | Just Desserts | |
| 91 | Painiac | |
| 92 | Party Crasher | |
| 93 | Steamflogger Boss | |
| 94 | Steamflogger of the Month | |
| 95 | Steamflogger Temp | |
| 96 | Steamfloggery | |
| 97 | Super-Duper Death Ray | |
| 98a | Target Minotaur | |
| 98b | Target Minotaur | |
| 98c | Target Minotaur | |
| 98d | Target Minotaur | |
| 99 | Three-Headed Goblin |
Currently out of stock
Price
Price unavailable
Larrikin Market Pricing
Selling around $0.50 – $1.20.
$0.50 – $1.20
Sources:
Market confidence
Low
Volume
Medium
Updated
14 Sep 2026
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