Undercity Sewers
Tier BLand — Island Swamp
Oracle Text
({T}: Add {U} or {B}.)
This land enters tapped.
When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
Power Level
Competitive Utilization
| Format | Archetype | Tier | Copies | Deck % | Board | Real Freq |
|---|---|---|---|---|---|---|
| legacy | Doomsday(6.6%) | A | 1.1 | 99% | Main | 1.09 |
| vintage | Grixis Lurrus Control(10.6%) | A | 1.0 | 100% | Main | 1.00 |
| legacy | Dimir Tempo(10.2%) | A | 1.0 | 100% | Main | 1.00 |
| legacy | Dimir Control(9.0%) | A | 1.0 | 100% | Main | 1.00 |
| duel-commander | Aminatou, the Fateshifter(2.9%) | A | 1.0 | 100% | Main | 1.00 |
| duel-commander | Jace, Multiverse Architect(3.4%) | A | 1.0 | 86% | Main | 0.86 |
| standard | 4c Control(6.9%) | A | 1.8 | 41% | Main | 0.74 |
| standard | Dimir Excruciator(2.0%) | B | 1.9 | 95% | Main | 1.80 |
| legacy | Rakdos Reanimator(3.3%) | B | 1.1 | 100% | Main | 1.10 |
| duel-commander | Dargo, the Shipwrecker // Silas Renn, Seeker Adept(2.4%) | B | 1.0 | 100% | Main | 1.00 |
| duel-commander | Glarb, Calamity's Augur(1.5%) | B | 1.0 | 100% | Main | 1.00 |
| legacy | Sultai Tempo(0.3%) | B | 1.0 | 100% | Main | 1.00 |
| modern | Goryo's Vengeance(3.3%) | B | 1.0 | 97% | Main | 0.97 |
| vintage | Dimir Lurrus Control(1.1%) | B | 1.0 | 95% | Main | 0.95 |
| vintage | Doomsday(2.6%) | B | 1.0 | 93% | Main | 0.93 |
| standard | Sultai Reanimator(3.1%) | B | 1.0 | 40% | Main | 0.40 |
| pioneer | Quintorius Combo(0.2%) | C | 4.0 | 100% | Main | 4.00 |
| standard | Dimir Reanimator(2.0%) | C | 2.1 | 100% | Main | 2.10 |
| modern | Dimir Midrange(0.5%) | C | 2.1 | 100% | Main | 2.10 |
| modern | Dimir Murktide(0.2%) | C | 2.1 | 100% | Main | 2.10 |
| pioneer | Dimir Control(0.2%) | C | 2.0 | 100% | Main | 2.00 |
| modern | Esper Midrange(0.3%) | C | 1.8 | 92% | Main | 1.66 |
| modern | Mill(0.4%) | C | 1.7 | 96% | Main | 1.63 |
| legacy | Reanimator(0.3%) | C | 1.3 | 100% | Main | 1.30 |
| modern | Grixis Control(1.3%) | C | 1.2 | 100% | Main | 1.20 |
| modern | Esper Reanimator(0.3%) | C | 1.1 | 100% | Main | 1.10 |
| modern | Grixis Midrange(0.2%) | C | 1.1 | 100% | Main | 1.10 |
| modern | Grixis Reanimator(1.1%) | C | 1.1 | 99% | Main | 1.09 |
| duel-commander | Emet-Selch, Unsundered(1.5%) | C | 1.0 | 100% | Main | 1.00 |
| duel-commander | Vohar, Vodalian Desecrator(1.5%) | C | 1.0 | 100% | Main | 1.00 |
| duel-commander | Obyra, Dreaming Duelist(1.0%) | C | 1.0 | 100% | Main | 1.00 |
| vintage | Beseech Storm(0.5%) | C | 1.0 | 100% | Main | 1.00 |
| duel-commander | The Scarab God(0.5%) | C | 1.0 | 100% | Main | 1.00 |
| duel-commander | Zur the Enchanter(0.5%) | C | 1.0 | 100% | Main | 1.00 |
| duel-commander | Atraxa, Grand Unifier(0.5%) | C | 1.0 | 100% | Main | 1.00 |
| duel-commander | Leovold, Emissary of Trest(0.5%) | C | 1.0 | 100% | Main | 1.00 |
| duel-commander | The Wandering Minstrel(0.5%) | C | 1.0 | 100% | Main | 1.00 |
| vintage | Dimir Psychic Frog(0.5%) | C | 1.0 | 100% | Main | 1.00 |
| legacy | Grixis Control(0.4%) | C | 1.0 | 100% | Main | 1.00 |
| standard | Dimir Control(0.2%) | C | 2.0 | 50% | Main | 1.00 |
| modern | Esper Blink(0.2%) | C | 1.0 | 99% | Main | 0.99 |
| legacy | Cephalid Breakfast(0.6%) | C | 1.0 | 81% | Main | 0.81 |
| modern | Sultai Midrange(0.2%) | C | 1.3 | 62% | Main | 0.81 |
| legacy | Esper Control(0.9%) | C | 1.0 | 77% | Main | 0.77 |
| modern | Death's Shadow(0.3%) | C | 1.1 | 67% | Main | 0.74 |
| legacy | Mono Black Midrange(0.3%) | C | 1.0 | 73% | Main | 0.73 |
| vintage | Esper Lurrus Control(1.1%) | C | 1.0 | 58% | Main | 0.58 |
| vintage | Lurrus DRS(0.7%) | C | 1.0 | 50% | Main | 0.50 |
| legacy | Ninjas(0.6%) | C | 1.0 | 50% | Main | 0.50 |
| vintage | Lurrus Breach(1.1%) | C | 1.0 | 43% | Main | 0.43 |
| vintage | Scam(0.5%) | C | 1.0 | 40% | Main | 0.40 |
| duel-commander | Kefka, Court Mage(1.0%) | C | 1.0 | 33% | Main | 0.33 |
| standard | Dimir Faeries(0.0%) | D | 2.0 | 100% | Main | 2.00 |
| legacy | Arclight Phoenix(0.0%) | D | 2.0 | 100% | Main | 2.00 |
| legacy | Dimir Reanimator(0.0%) | D | 1.7 | 100% | Main | 1.70 |
| legacy | Blue Dredge(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| duel-commander | Ertai Resurrected(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| duel-commander | Doctor Doom, King of Latveria(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| standard | Sultai Control(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| duel-commander | Niv-Mizzet Reborn(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| modern | Esper Control(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| legacy | Death's Shadow(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| duel-commander | Basim Ibn Ishaq(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| duel-commander | Teval, the Balanced Scale(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| duel-commander | Tivit, Seller of Secrets(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| vintage | Esper Psychic Frog(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| standard | Grixis Reanimator(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| modern | Esper Murktide(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| vintage | 4C Midrange(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| legacy | Ad Nauseam Tendrils(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| duel-commander | Hei Bai, Forest Guardian(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| standard | Sultai Excruciator(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| legacy | Esper Vial(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| pioneer | Esper Control(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| duel-commander | Esika, God of the Tree(0.0%) | D | 1.0 | 100% | Main | 1.00 |
| legacy | Dimir Car(0.0%) | D | 1.0 | 98% | Main | 0.98 |
| modern | Esper GenericBlink(0.0%) | D | 1.0 | 94% | Main | 0.94 |
| legacy | Esper Tempo(0.0%) | D | 1.0 | 71% | Main | 0.71 |
| duel-commander | Silas Renn, Seeker Adept // Yoshimaru, Ever Faithful(0.0%) | D | 1.0 | 50% | Main | 0.50 |
| standard | Grixis Control(0.0%) | D | 1.0 | 50% | Main | 0.50 |
| legacy | Beanstalk Control (Yorion)(0.0%) | D | 1.0 | 50% | Main | 0.50 |
| vintage | Sultai Midrange(0.0%) | D | 1.0 | 40% | Main | 0.40 |
| modern | 5c Blink(0.0%) | D | 1.0 | 33% | Main | 0.33 |
| legacy | Grixis Tempo(0.0%) | D | 1.0 | 33% | Main | 0.33 |
| cedh | Bjorna, Nightfall Alchemist / Wernog, Rider's Chaplain(0.1%) | 1.0 | 12% | Main | 0.12 | |
| cedh | Tevesh Szat, Doom of Fools / Thrasios, Triton Hero(0.1%) | 1.0 | 6% | Main | 0.06 | |
| cedh | Scion of the Ur-Dragon(0.3%) | 1.0 | 1% | Main | 0.01 | |
| cedh | Nick Fury, Agent of S.H.I.E.L.D.(0.7%) | 1.0 | 0% | Main | 0.00 | |
| cedh | Tasigur, the Golden Fang(0.1%) | 1.0 | 48% | Main | 0.48 | |
| cedh | Inalla, Archmage Ritualist(0.2%) | 1.0 | 41% | Main | 0.41 | |
| cedh | Malcolm, Keen-Eyed Navigator / Tymna the Weaver(0.1%) | 1.0 | 36% | Main | 0.36 | |
| cedh | Tivit, Seller of Secrets(0.4%) | 1.0 | 23% | Main | 0.23 | |
| cedh | Kraum, Ludevic's Opus / Tymna the Weaver(2.5%) | 1.0 | 6% | Main | 0.06 | |
| cedh | Kinnan, Bonder Prodigy(2.5%) | 1.0 | 0% | Main | 0.00 | |
| cedh | Gyruda, Doom of Depths(0.1%) | 1.0 | 75% | Main | 0.74 | |
| cedh | The Master of Keys(0.1%) | 1.0 | 70% | Main | 0.70 | |
| cedh | Rograkh, Son of Rohgahh / Silas Renn, Seeker Adept(1.6%) | 1.0 | 46% | Main | 0.46 | |
| cedh | Malcolm, Keen-Eyed Navigator / Vial Smasher the Fierce(0.3%) | 1.0 | 34% | Main | 0.34 | |
| cedh | Kefka, Court Mage // Kefka, Ruler of Ruin(0.4%) | 1.0 | 28% | Main | 0.28 | |
| cedh | Marneus Calgar(0.3%) | 1.0 | 27% | Main | 0.27 | |
| cedh | Krark, the Thumbless / Silas Renn, Seeker Adept(0.1%) | 1.0 | 20% | Main | 0.20 | |
| cedh | Atraxa, Grand Unifier(0.2%) | 1.0 | 11% | Main | 0.11 | |
| cedh | Francisco, Fowl Marauder / Thrasios, Triton Hero(0.1%) | 1.0 | 11% | Main | 0.11 | |
| cedh | Breya, Etherium Shaper(0.0%) | 1.0 | 11% | Main | 0.10 | |
| cedh | Silas Renn, Seeker Adept / Yoshimaru, Ever Faithful(0.1%) | 1.0 | 6% | Main | 0.06 | |
| cedh | Cazur, Ruthless Stalker / Ukkima, Stalking Shadow(0.1%) | 1.0 | 4% | Main | 0.04 | |
| cedh | Thrasios, Triton Hero / Tymna the Weaver(1.1%) | 1.0 | 2% | Main | 0.02 | |
| cedh | Thrasios, Triton Hero / Vial Smasher the Fierce(0.2%) | 1.0 | 2% | Main | 0.02 | |
| cedh | Ezio Auditore da Firenze(0.0%) | 1.0 | 2% | Main | 0.01 | |
| cedh | Kenrith, the Returned King(0.2%) | 1.0 | 1% | Main | 0.01 | |
| cedh | Avatar Aang // Aang, Master of Elements(0.1%) | 1.0 | 1% | Main | 0.01 | |
| cedh | Sisay, Weatherlight Captain(1.6%) | 1.0 | 0% | Main | 0.00 | |
| cedh | Talion, the Kindly Lord(0.1%) | 1.0 | 67% | Main | 0.67 | |
| cedh | The Wandering Minstrel(0.1%) | 1.0 | 54% | Main | 0.54 | |
| cedh | Noctis, Prince of Lucis(0.1%) | 1.0 | 50% | Main | 0.50 | |
| cedh | Sakashima of a Thousand Faces / Tymna the Weaver(0.0%) | 1.0 | 50% | Main | 0.50 | |
| cedh | Glarb, Calamity's Augur(0.2%) | 1.0 | 46% | Main | 0.46 | |
| cedh | Kess, Dissident Mage(0.1%) | 1.0 | 45% | Main | 0.45 | |
| cedh | Francisco, Fowl Marauder / Malcolm, Keen-Eyed Navigator(0.0%) | 1.0 | 43% | Main | 0.42 | |
| cedh | Yuriko, the Tiger's Shadow(0.2%) | 1.0 | 39% | Main | 0.39 | |
| cedh | Y'shtola, Night's Blessed(0.1%) | 1.0 | 35% | Main | 0.35 | |
| cedh | Kefka, Court Mage(0.1%) | 1.0 | 33% | Main | 0.33 | |
| cedh | Hashaton, Scarab's Fist(0.1%) | 1.0 | 29% | Main | 0.29 | |
| cedh | Norman Osborn // Green Goblin(0.1%) | 1.0 | 28% | Main | 0.28 | |
| cedh | Jin Sakai, Ghost of Tsushima(0.0%) | 1.0 | 27% | Main | 0.27 | |
| cedh | Fire Lord Azula(0.0%) | 1.0 | 25% | Main | 0.25 | |
| cedh | Teval, the Balanced Scale(0.1%) | 1.0 | 18% | Main | 0.18 | |
| cedh | The Wise Mothman(0.1%) | 1.0 | 15% | Main | 0.15 | |
| cedh | Zur the Enchanter(0.1%) | 1.0 | 11% | Main | 0.11 | |
| cedh | Doctor Doom, King of Latveria(0.0%) | 1.0 | 10% | Main | 0.10 | |
| cedh | Maralen, Fae Ascendant(0.1%) | 1.0 | 8% | Main | 0.08 | |
| cedh | Leonardo, the Balance / Michelangelo, the Heart(0.1%) | 1.0 | 3% | Main | 0.03 | |
| cedh | Terra, Magical Adept // Esper Terra(0.2%) | 1.0 | 1% | Main | 0.01 | |
| cedh | Najeela, the Blade-Blossom(0.1%) | 1.0 | 0% | Main | 0.00 |