Undercity Informer

anything leaves the battlefield — 1 card in the game can cause this (Undercity Informer is one).

1. Shaun, Father of Synths — When Shaun, Father of Synths leaves the battlefield thanks to Undercity Informer, it exiles a Synth you control
2. Chainer, Dementia Master — When Chainer, Dementia Master leaves the battlefield thanks to Undercity Informer, it exiles a Nightmare

a creature is milled — 14 cards in the game can cause this (Undercity Informer is one).

When a creature makes a player mill a card thanks to Undercity Informer:

1. Zellix, Sanity Flayer — makes a token
2. Screeching Scorchbeast — makes that many tokens
3. Glowing One — gains you 1 life
4. Mirelurk Queen — draws you 1 card
5. The Wise Mothman — puts a counter on a creature
6. Infesting Radroach — returns itself from the graveyard

a Rogue attacks — 636 cards in the game can cause this (Undercity Informer is one).

1. Soaring Thought-Thief — When Undercity Informer attacks, Soaring Thought-Thief mills a card

a Rogue deals combat damage — 636 cards in the game can cause this (Undercity Informer is one).

1. Anowon, the Ruin Thief — When Undercity Informer deals combat damage, Anowon, the Ruin Thief mills a card

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

a Rogue creature enters the battlefield — 657 cards in the game can cause this (Undercity Informer is one).

1. Cloak and Dagger — When Undercity Informer enters, Cloak and Dagger triggers

a Rogue enters the battlefield — 659 cards in the game can cause this (Undercity Informer is one).

1. Thieves' Guild Enforcer — When Undercity Informer enters, Thieves' Guild Enforcer mills a card

a card is milled — 772 cards in the game can cause this (Undercity Informer is one).

1. Lo and Li, Royal Advisors — When a creature makes a player mill a card thanks to Undercity Informer, Lo and Li, Royal Advisors puts a counter on an Advisor

a nontoken creature is sacrificed — 1,714 cards in the game can cause this (Undercity Informer is one).

When you sacrifice a creature to Undercity Informer:

1. Fumulus, the Infestation — makes a token
2. Bag of Devouring — exiles it

a creature is sacrificed — 1,741 cards in the game can cause this (Undercity Informer is one).

When you sacrifice a creature to Undercity Informer:

1. Ziatora, the Incinerator — deals that creature's power damage
2. Dina, Essence Brewer — draws you 1 card
3. Fleshtaker — gains you 1 life
4. Body Dropper — puts a +1/+1 counter on itself
5. Smothering Abomination — draws you 1 card
6. Kels, Fight Fixer — draws you 1 card
7. Caesar, Legion's Emperor — triggers
8. Grist, the Hunger Tide — kills a creature or planeswalker an opponent controls
9. Cabal Therapist — triggers
10. Rakdos, the Muscle — exiles a card from an opponent's library

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

a creature to sacrifice — 2,720 cards in the game can cause this (Undercity Informer is one).

1. Primeval Bounty — Primeval Bounty makes fodder for Undercity Informer

2,719 other cards care about it too. These are the ones with the most connections.

a creature in a graveyard — 2,769 cards in the game can cause this (Undercity Informer is one).

Undercity Informer puts cards into the graveyard that:

1. Havengul Lich — can bring back
2. Liliana the Repentant — can bring back
3. Paleoloth — can bring back
4. Chainer, Nightmare Adept — can bring back
5. Banon, the Returners' Leader — can bring back
6. Chorale of the Void — can bring back
7. Whispersteel Dagger — can bring back
8. Surgical Suite // Hospital Room — can bring back
9. Sword of Light and Shadow — can bring back
10. Necromantic Thirst — can bring back

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

a nontoken creature dies — 2,769 cards in the game can cause this (Undercity Informer is one).

When you sacrifice a creature to Undercity Informer:

1. Zahur, Glory's Past — makes a token
2. Liesa, Forgotten Archangel — brings a card back
3. Avacyn, Angel of Horror — brings a card back
4. Yedora, Grave Gardener — brings a card back
5. Nim Deathmantle — brings a card back
6. Valkyrie's Call — brings a card back
7. Decaying Soil — brings a card back
8. High-Society Hunter — draws you 1 card
9. Liliana, Heretical Healer // Liliana, Defiant Necromancer — flickers itself
10. Body Launderer — draws and discards

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

a creature dies — 2,830 cards in the game can cause this (Undercity Informer is one).

1. Pious Evangel // Wayward Disciple — When you sacrifice a creature to Undercity Informer, Pious Evangel // Wayward Disciple makes each opponent lose 1 life
2. Daxos, Blessed by the Sun — When you sacrifice a creature to Undercity Informer, Daxos, Blessed by the Sun gains you 1 life
3. Elas il-Kor, Sadistic Pilgrim — When you sacrifice a creature to Undercity Informer, Elas il-Kor, Sadistic Pilgrim makes each opponent lose 1 life
4. Shriveling Rot — When you sacrifice a creature to Undercity Informer, Shriveling Rot makes a player lose life equal to its toughness
5. Boss's Chauffeur — When Boss's Chauffeur dies thanks to Undercity Informer, it makes a token
6. Clavileño, First of the Blessed — When Clavileño, First of the Blessed dies thanks to Undercity Informer, it draws you 1 card
7. Quirion Beastcaller — When Quirion Beastcaller dies thanks to Undercity Informer, it puts +1/+1 counters on itself
8. Dinosaur Egg — When Dinosaur Egg dies thanks to Undercity Informer, it triggers
9. Saffi Eriksdotter — When you sacrifice a creature to Undercity Informer, Saffi Eriksdotter sacrifices itself
10. Treacherous Vampire — When Treacherous Vampire dies thanks to Undercity Informer, it makes you lose life

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

a permanent is put into a graveyard from the battlefield — 5,057 cards in the game can cause this (Undercity Informer is one).

1. Gerrard, Weatherlight Hero — When Gerrard, Weatherlight Hero dies thanks to Undercity Informer, it exiles itself

18 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 (Undercity Informer is one).

1. Repentant Vampire — Undercity Informer fills your graveyard toward the 7 or more cards Repentant Vampire needs
2. Athreos, Shroud-Veiled — Undercity Informer puts cards into the graveyard that Athreos, Shroud-Veiled can bring back

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

anything attacks — 17,934 cards in the game can cause this (Undercity Informer is one).

1. Grim Javelineer — When Undercity Informer attacks, Grim Javelineer gives +1/+0

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