Hideous Laughter

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

1. Electro, Assaulting Battery — When Electro, Assaulting Battery leaves the battlefield thanks to Hideous Laughter, it triggers
2. Chainer, Dementia Master — When Chainer, Dementia Master leaves the battlefield thanks to Hideous Laughter, it exiles a Nightmare

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

Hideous Laughter 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 (Hideous Laughter is one).

When a creature dies thanks to Hideous Laughter:

1. Zahur, Glory's Past — makes a token
2. Vraska, the Silencer — brings a card back
3. Liesa, Forgotten Archangel — brings a card back
4. Avacyn, Angel of Horror — brings a card back
5. Yedora, Grave Gardener — brings a card back
6. Nim Deathmantle — brings a card back
7. Valkyrie's Call — brings a card back
8. Decaying Soil — brings a card back
9. High-Society Hunter — draws you 1 card
10. Overseer of the Damned — makes a token

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 (Hideous Laughter is one).

1. Pious Evangel // Wayward Disciple — When a creature dies thanks to Hideous Laughter, Pious Evangel // Wayward Disciple makes each opponent lose 1 life
2. Daxos, Blessed by the Sun — When a creature dies thanks to Hideous Laughter, Daxos, Blessed by the Sun gains you 1 life
3. Elas il-Kor, Sadistic Pilgrim — When a creature dies thanks to Hideous Laughter, Elas il-Kor, Sadistic Pilgrim makes each opponent lose 1 life
4. Shriveling Rot — When a creature dies thanks to Hideous Laughter, Shriveling Rot makes a player lose life equal to its toughness
5. Jeskai Sage — When Jeskai Sage dies thanks to Hideous Laughter, it draws you 1 card
6. Meathook Massacre II — When a creature dies thanks to Hideous Laughter, Meathook Massacre II brings a card back
7. Pink Horror — When Pink Horror dies thanks to Hideous Laughter, it makes 2 tokens
8. Cyclops Superconductor — When Cyclops Superconductor dies thanks to Hideous Laughter, it triggers
9. Saffi Eriksdotter — When a creature dies thanks to Hideous Laughter, Saffi Eriksdotter sacrifices itself
10. Treacherous Vampire — When Treacherous Vampire dies thanks to Hideous Laughter, it makes you lose life

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

a creature goes to a graveyard — 3,011 cards in the game can cause this (Hideous Laughter is one).

When a creature hits the graveyard thanks to Hideous Laughter:

1. Lorcan, Warlock Collector — brings a card back
2. Robot Domination — draws you 1 card
3. Lazav, Dimir Mastermind — copies a permanent
4. Profane Memento — gains you 1 life
5. Dennick, Pious Apprentice // Dennick, Pious Apparition — triggers
6. Soulcipher Board // Cipherbound Spirit — triggers

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

an instant is cast — 3,931 cards in the game can cause this (Hideous Laughter is one).

When Hideous Laughter is cast:

1. Lunar Mystic — draws you 1 card
2. Ojer Pakpatiq, Deepest Epoch // Temple of Cyclical Time — grants rebound
3. Repeated Reverberation — copies an ability
4. Riku of Two Reflections — copies a spell
5. Sword of Wealth and Power — copies a spell
6. Lilah, Undefeated Slickshot — gets +1/+1
7. Gale, Waterdeep Prodigy — brings a card back
8. Cryptic Pursuit — triggers
9. In the Eye of Chaos — counters a spell
10. Niblis of Frost — taps a creature an opponent controls

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

a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Hideous Laughter is one).

When a creature leaves the battlefield thanks to Hideous Laughter:

1. Tokka & Rahzar, Unsupervised — puts a +1/+1 counter on itself
2. Splinter, the Mentor — makes a token
3. Rat King, Pale Piper — makes a token
4. Dual Nature — exiles a creature

a creature leaves the battlefield — 4,238 cards in the game can cause this (Hideous Laughter is one).

1. Ninja Teen — When a creature leaves the battlefield thanks to Hideous Laughter, Ninja Teen makes each opponent lose 1 life
2. Lunarch Veteran // Luminous Phantom — When a creature leaves the battlefield thanks to Hideous Laughter, Lunarch Veteran // Luminous Phantom gains you 1 life
3. Phantasmal Mount — When Phantasmal Mount leaves the battlefield thanks to Hideous Laughter, it triggers
4. Funeral March — When a creature leaves the battlefield thanks to Hideous Laughter, Funeral March makes a player sacrifice a creature

28 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 (Hideous Laughter is one).

1. Gerrard, Weatherlight Hero — When Gerrard, Weatherlight Hero dies thanks to Hideous Laughter, it exiles itself

15 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 (Hideous Laughter is one).

1. Havi, the All-Father — Hideous Laughter fills your graveyard toward the 4 or more cards Havi, the All-Father needs
2. Repentant Vampire — Hideous Laughter fills your graveyard toward the 7 or more cards Repentant Vampire needs
3. Athreos, Shroud-Veiled — Hideous Laughter 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.