Polluted Cistern // Dim Oubliette

a Room is fully unlocked — 28 cards in the game can cause this (Polluted Cistern is one).

When Polluted Cistern // Dim Oubliette is fully unlocked:

1. Victor, Valgavoth's Seneschal — surveils
2. Ghostly Dancers — makes a token
3. Unwilling Vessel — puts a possession counter on itself
4. Gremlin Tamer — makes a token
5. Fear of Infinity — returns itself from the graveyard
6. Skullsnap Nuisance — surveils
7. Scrabbling Skullcrab — mills a card
8. Infernal Phantom — gets +2/+0
9. Entity Tracker — draws you 1 card
10. Fear of Sleep Paralysis — taps a creature

6 other cards care about it too. These are the ones with the most connections.

a creature leaves a graveyard — 1,302 cards in the game can cause this (Polluted Cistern is one).

When a creature leaves a graveyard thanks to Polluted Cistern // Dim Oubliette:

1. Grim Reaper's Scythe — makes a token
2. Syr Konrad, the Grim — deals 1 damage
3. Cyan, Vengeful Samurai — puts a +1/+1 counter on itself
4. Along the Crooked Way — puts a counter on a Goblin or Army
5. Skeleton Crew — makes a token
6. Desecrated Tomb — makes a token
7. Chalk Outline — makes a token
8. Insidious Roots — makes a token
9. Undead Hand Ninja — makes each opponent lose 1 life
10. Rot Farm Mortipede — gets +1/+0

3 other cards care about it too. These are the ones with the most connections.

anything leaves a graveyard — 2,503 cards in the game can cause this (Polluted Cistern is one).

When a creature leaves a graveyard thanks to Polluted Cistern // Dim Oubliette:

1. Defiled Crypt // Cadaver Lab — makes a token
2. Blastoneuron — makes each opponent lose 1 life
3. Teval, the Balanced Scale — makes a token
4. Hologram Stalker — makes a token
5. Tormod, the Desecrator — makes a token
6. Quintorius, Field Historian — makes a token
7. Garrison Excavator — makes a token
8. Amzu, Swarm's Hunger — makes a token
9. Kirol, History Buff // Pack a Punch — becomes prepared
10. Teval's Judgment — triggers

13 other cards care about it too. These are the ones with the most connections.

put a creature into a graveyard — 2,769 cards in the game can cause this.

1. Shriveling Rot — Shriveling Rot puts cards into the graveyard that Polluted Cistern // Dim Oubliette can bring back
2. Ayara, First of Locthwain — Ayara, First of Locthwain puts cards into the graveyard that Polluted Cistern // Dim Oubliette can bring back
3. Foot Chopper — Foot Chopper puts cards into the graveyard that Polluted Cistern // Dim Oubliette can bring back
4. Blasting Station — Blasting Station puts cards into the graveyard that Polluted Cistern // Dim Oubliette can bring back
5. Tainted Aether — Tainted Aether puts cards into the graveyard that Polluted Cistern // Dim Oubliette can bring back
6. Lethal Vapors — Lethal Vapors puts cards into the graveyard that Polluted Cistern // Dim Oubliette can bring back
7. Grave Peril — Grave Peril puts cards into the graveyard that Polluted Cistern // Dim Oubliette can bring back
8. Spreading Plague — Spreading Plague puts cards into the graveyard that Polluted Cistern // Dim Oubliette can bring back
9. Saw — Saw puts cards into the graveyard that Polluted Cistern // Dim Oubliette can bring back
10. Hot Soup — Hot Soup puts cards into the graveyard that Polluted Cistern // Dim Oubliette can bring back

2,759 other cards cause it too. These are the ones with the most connections.

life is lost — 3,160 cards in the game can cause this (Polluted Cistern is one).

When a permanent makes a player lose life thanks to Polluted Cistern // Dim Oubliette:

1. Far Fortune, End Boss — raises your speed
2. Zahur, Glory's Past — raises your speed
3. Mendicant Core, Guidelight — raises your speed
4. Aether Syphon — raises your speed
5. Vnwxt, Verbose Host — raises your speed
6. Embalmed Ascendant — raises your speed
7. Slick Imitator — raises your speed
8. Nesting Bot — raises your speed
9. Howlsquad Heavy — raises your speed
10. Hour of Victory — raises your speed

46 other cards care about it too. These are the ones with the most connections.

an enchantment is cast — 3,673 cards in the game can cause this (Polluted Cistern is one).

When Polluted Cistern // Dim Oubliette is cast:

1. Hallowed Haunting — makes a token
2. Daxos the Returned — puts a counter on a permanent
3. Tatsunari, Toad Rider — makes a token
4. Sythis, Harvest's Hand — gains you 1 life
5. Sigil of the Empty Throne — makes a token
6. Dawnhart Geist — gains you 2 life
7. Herald of the Pantheon — gains you 1 life
8. Kami of Transience — puts a +1/+1 counter on itself
9. Argothian Enchantress — draws you 1 card
10. Mesa Enchantress — draws you 1 card

255 other cards care about it too. These are the ones with the most connections.

a nontoken enchantment enters the battlefield — 3,691 cards in the game can cause this (Polluted Cistern is one).

1. Historian's Boon — When Polluted Cistern // Dim Oubliette enters, Historian's Boon makes a token

an enchantment enters the battlefield — 3,743 cards in the game can cause this (Polluted Cistern is one).

When Polluted Cistern // Dim Oubliette enters:

1. Calix, Guided by Fate — puts a counter on a creature
2. Elvish Archivist — draws you 1 card
3. Strength from the Fallen — gives +X/+X, where X is the number of creature cards in your graveyard
4. Doomwake Giant — shrinks a creature by -1/-1
5. Cacophony Unleashed — turns something into a creature
6. Stalked Researcher — triggers
7. Killian, Decisive Mentor — taps a creature

75 other cards care about it too. These are the ones with the most connections.

a card in a graveyard — 7,589 cards in the game can cause this (Polluted Cistern is one).

1. Sidequest: Card Collection // Magicked Card — Polluted Cistern // Dim Oubliette fills your graveyard toward the 8 or more cards Sidequest: Card Collection // Magicked Card needs

443 other cards care about it too. These are the ones with the most connections.

put anything into a graveyard — 7,589 cards in the game can cause this.

1. Lively Dirge — When a card hits the graveyard thanks to Lively Dirge, Polluted Cistern // Dim Oubliette makes each opponent lose life
2. Gravebreaker Lamia — When a card hits the graveyard thanks to Gravebreaker Lamia, Polluted Cistern // Dim Oubliette makes each opponent lose life
3. Oriq Loremage — When a card hits the graveyard thanks to Oriq Loremage, Polluted Cistern // Dim Oubliette makes each opponent lose life
4. Corpse Connoisseur — When a creature hits the graveyard thanks to Corpse Connoisseur, Polluted Cistern // Dim Oubliette makes each opponent lose life
5. Disciples of Gix — When an artifact hits the graveyard thanks to Disciples of Gix, Polluted Cistern // Dim Oubliette makes each opponent lose life
6. Iname, Death Aspect — When a Spirit hits the graveyard thanks to Iname, Death Aspect, Polluted Cistern // Dim Oubliette makes each opponent lose life
7. Cynical Loner — When a card hits the graveyard thanks to Cynical Loner, Polluted Cistern // Dim Oubliette makes each opponent lose life
8. Vile Entomber — When a card hits the graveyard thanks to Vile Entomber, Polluted Cistern // Dim Oubliette makes each opponent lose life
9. Burning-Rune Demon — When a card hits the graveyard thanks to Burning-Rune Demon, Polluted Cistern // Dim Oubliette makes each opponent lose life
10. Buried Alive — When a creature hits the graveyard thanks to Buried Alive, Polluted Cistern // Dim Oubliette makes each opponent lose life

7,579 other cards cause it too. These are the ones with the most connections.

a creature enters the battlefield — 19,800 cards in the game can cause this (Polluted Cistern is one).

1. Airbender Ascension — When a creature enters thanks to Polluted Cistern // Dim Oubliette, Airbender Ascension puts a quest counter on itself

367 other cards care about it too. These are the ones with the most connections.