Hellfire

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

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

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

Hellfire 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 (Hellfire is one).

When a creature dies thanks to Hellfire:

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 (Hellfire is one).

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

451 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 (Hellfire is one).

When a creature hits the graveyard thanks to Hellfire:

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.

anything deals noncombat damage — 3,068 cards in the game can cause this (Hellfire is one).

When Hellfire deals noncombat damage:

1. Quest for Pure Flame — puts a quest counter on itself
2. Fear of Burning Alive — deals that amount damage
3. Niv-Mizzet, Visionary — draws you that many cards
4. Chandra's Incinerator — deals that much damage
5. Chandra's Pyreling — gets +1/+0
6. Talon of Pain — puts a charge counter on itself
7. Asgardian Inspiration — returns itself from the graveyard
8. Thor, Guardian of Midgard — exiles a card from your library
9. Virtue of Courage // Embereth Blaze — exiles a card from your library

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

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

When Hellfire makes a player lose life:

1. The Master of Lake-town — mills a card
2. Oath of Lim-Dûl — sacrifices an enchantment
3. Marina Vendrell's Grimoire — triggers
4. Lich's Mastery — triggers

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

a sorcery is cast — 3,720 cards in the game can cause this (Hellfire is one).

When Hellfire is cast:

1. Soul-Scar Mage — gets +1/+1
2. Tomik, Izzet Sparkmage — gets +1/+1
3. Artist's Talent — draws and discards

431 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 (Hellfire is one).

1. Ninja Teen — When a creature leaves the battlefield thanks to Hellfire, Ninja Teen makes each opponent lose 1 life

31 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 (Hellfire is one).

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

16 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 (Hellfire is one).

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