Debtors' Knell

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

When a creature leaves a graveyard thanks to Debtors' Knell:

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. Erebos's Titan — triggers

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 (Debtors' Knell is one).

When a creature leaves a graveyard thanks to Debtors' Knell:

1. Blastoneuron — makes each opponent lose 1 life
2. Defiled Crypt // Cadaver Lab — makes a token
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.

an enchantment is cast — 3,673 cards in the game can cause this (Debtors' Knell is one).

When Debtors' Knell 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 (Debtors' Knell is one).

1. Historian's Boon — When Debtors' Knell enters, Historian's Boon makes a token

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

When Debtors' Knell enters:

1. Calix, Guided by Fate — puts a counter on a creature
2. Elvish Archivist — draws you 1 card
3. Victor, Valgavoth's Seneschal — surveils
4. Strength from the Fallen — gives +X/+X, where X is the number of creature cards in your graveyard
5. Doomwake Giant — shrinks a creature by -1/-1
6. Cacophony Unleashed — turns something into a creature
7. Ghostly Dancers — makes a token
8. Thassa's Devourer — mills a card
9. Killian, Decisive Mentor — taps a creature
10. Thoughtrender Lamia — makes an opponent discard a card

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

a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Debtors' Knell is one).

When a creature enters thanks to Debtors' Knell:

1. Riku of Two Reflections — makes a token
2. Samwise Gamgee — makes a token
3. Dual Nature — makes a token
4. Chainer, Nightmare Adept — grants haste
5. Preston, the Vanisher — makes a token
6. Angelic Sell-Sword — makes a token
7. Arni, Humble Scribe — untaps itself
8. Saradoc, Master of Buckland — makes a token
9. Lonis, Cryptozoologist — triggers
10. Radiant Solar — triggers

23 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 (Debtors' Knell is one).

1. Airbender Ascension — When a creature enters thanks to Debtors' Knell, Airbender Ascension puts a quest counter on itself
2. Master of Winds — When Master of Winds enters thanks to Debtors' Knell, it draws you 2 cards
3. Lunarch Veteran // Luminous Phantom — When a creature enters thanks to Debtors' Knell, Lunarch Veteran // Luminous Phantom gains you 1 life
4. Pious Evangel // Wayward Disciple — When a creature enters thanks to Debtors' Knell, Pious Evangel // Wayward Disciple gains you 1 life
5. Daxos, Blessed by the Sun — When a creature enters thanks to Debtors' Knell, Daxos, Blessed by the Sun gains you 1 life
6. Elas il-Kor, Sadistic Pilgrim — When a creature enters thanks to Debtors' Knell, Elas il-Kor, Sadistic Pilgrim gains you 1 life
7. Glaring Fleshraker — When a creature enters thanks to Debtors' Knell, Glaring Fleshraker deals 1 damage
8. Mogg Bombers — When a creature enters thanks to Debtors' Knell, Mogg Bombers sacrifices itself
9. Flame-Kin War Scout — When a creature enters thanks to Debtors' Knell, Flame-Kin War Scout sacrifices itself

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