Demon's Herald

anything leaves the battlefield — 1 card in the game can cause this (Demon's Herald is one).

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

a nontoken Wizard enters the battlefield — 1,243 cards in the game can cause this (Demon's Herald is one).

1. Inalla, Archmage Ritualist — When Demon's Herald enters, Inalla, Archmage Ritualist makes a token

a Wizard creature enters the battlefield — 1,264 cards in the game can cause this (Demon's Herald is one).

1. Diviner's Wand — When Demon's Herald enters, Diviner's Wand triggers

a nontoken creature is sacrificed — 1,714 cards in the game can cause this (Demon's Herald is one).

When you sacrifice a blue creature to Demon's Herald:

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 (Demon's Herald is one).

When you sacrifice a blue creature to Demon's Herald:

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 (Demon's Herald is one).

1. Captain Jean-Luc Picard — Captain Jean-Luc Picard makes fodder for Demon's Herald
2. Vivi's Persistence — Vivi's Persistence makes fodder for Demon's Herald
3. Endless Ranks of HYDRA — Endless Ranks of HYDRA makes fodder for Demon's Herald
4. Foot Chopper — Foot Chopper makes fodder for Demon's Herald

2,716 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 (Demon's Herald is one).

Demon's Herald 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. Surgical Suite // Hospital Room — can bring back
7. Sword of Light and Shadow — can bring back
8. Necromantic Thirst — can bring back
9. Krile Baldesion — can bring back
10. Extus, Oriq Overlord // Awaken the Blood Avatar — 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 (Demon's Herald is one).

When you sacrifice a blue creature to Demon's Herald:

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 (Demon's Herald is one).

1. Ob Nixilis, Unshackled — When you sacrifice a blue creature to Demon's Herald, Ob Nixilis, Unshackled puts a +1/+1 counter on itself
2. Pious Evangel // Wayward Disciple — When you sacrifice a blue creature to Demon's Herald, Pious Evangel // Wayward Disciple makes each opponent lose 1 life
3. Daxos, Blessed by the Sun — When you sacrifice a blue creature to Demon's Herald, Daxos, Blessed by the Sun gains you 1 life
4. Elas il-Kor, Sadistic Pilgrim — When you sacrifice a blue creature to Demon's Herald, Elas il-Kor, Sadistic Pilgrim makes each opponent lose 1 life
5. Shriveling Rot — When you sacrifice a blue creature to Demon's Herald, Shriveling Rot makes a player lose life equal to its toughness
6. Clavileño, First of the Blessed — When Clavileño, First of the Blessed dies thanks to Demon's Herald, it draws you 1 card
7. Meathook Massacre II — When you sacrifice a blue creature to Demon's Herald, Meathook Massacre II brings a card back
8. Ashnod's Intervention — When you sacrifice a blue creature to Demon's Herald, Ashnod's Intervention brings a card back
9. Saffi Eriksdotter — When you sacrifice a blue creature to Demon's Herald, Saffi Eriksdotter sacrifices itself
10. Treacherous Vampire — When Treacherous Vampire dies thanks to Demon's Herald, it makes you lose life

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

a creature leaves the battlefield — 4,238 cards in the game can cause this (Demon's Herald is one).

1. Ninja Teen — When you sacrifice a blue creature to Demon's Herald, Ninja Teen makes each opponent lose 1 life

34 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 (Demon's Herald is one).

1. Gerrard, Weatherlight Hero — When Gerrard, Weatherlight Hero dies thanks to Demon's Herald, 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 (Demon's Herald is one).

1. Havi, the All-Father — Demon's Herald fills your graveyard toward the 4 or more cards Havi, the All-Father needs
2. Repentant Vampire — Demon's Herald fills your graveyard toward the 7 or more cards Repentant Vampire needs
3. Athreos, Shroud-Veiled — Demon's Herald puts cards into the graveyard that Athreos, Shroud-Veiled can bring back

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

a creature attacks — 17,934 cards in the game can cause this (Demon's Herald is one).

1. Chorale of the Void — When Demon's Herald attacks, Chorale of the Void brings a card back

221 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 (Demon's Herald is one).

1. Grim Javelineer — When Demon's Herald attacks, Grim Javelineer gives +1/+0

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

a creature is cast — 18,010 cards in the game can cause this (Demon's Herald is one).

1. Quirion Beastcaller — When Demon's Herald is cast, Quirion Beastcaller puts a +1/+1 counter on itself

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

a creature enters the battlefield — 19,800 cards in the game can cause this (Demon's Herald is one).

When Demon's Herald enters:

1. Boss's Chauffeur — puts a +1/+1 counter on itself
2. Dinosaur Egg — puts a counter on itself

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