Mari, the Killing Quill

an Assassin deals combat damage — 212 cards in the game can cause this (Mari is one).

When Mari, the Killing Quill deals combat damage:

1. Layla Hassan — brings a card back
2. Ezio, Blade of Vengeance — draws you 1 card
3. Etrata, Deadly Fugitive — triggers
4. Jacob Frye — exiles a card from your graveyard

an Assassin attacks — 212 cards in the game can cause this (Mari is one).

When Mari, the Killing Quill attacks:

1. The Revelations of Ezio — puts a counter on a permanent
2. Origin of the Hidden Ones — makes a token

an Assassin creature it grants types to — 219 cards in the game can cause this.

1. Reaper's Scythe — Reaper's Scythe gives Mari, the Killing Quill an extra creature type

218 other cards cause it too. These are the ones with the most connections.

a Vampire attacks — 484 cards in the game can cause this (Mari is one).

When Mari, the Killing Quill attacks:

1. Glass-Cast Heart — makes a token
2. Sanctum Seeker — makes each opponent lose 1 life

a nontoken Vampire attacks — 484 cards in the game can cause this (Mari is one).

1. Mavren Fein, Dusk Apostle — When Mari, the Killing Quill attacks, Mavren Fein, Dusk Apostle makes a token

a Vampire creature is cast — 484 cards in the game can cause this (Mari is one).

1. Bloodlord of Vaasgoth — When Mari, the Killing Quill is cast, Bloodlord of Vaasgoth grants bloodthirst

a Vampire deals combat damage — 484 cards in the game can cause this (Mari is one).

When Mari, the Killing Quill deals combat damage:

1. Rakish Heir — puts a counter on a permanent
2. Stensia Masquerade — puts a counter on a permanent

a Vampire enters the battlefield — 500 cards in the game can cause this (Mari is one).

When Mari, the Killing Quill enters:

1. Anje, Maid of Dishonor — makes a token
2. Forerunner of the Legion — gives +1/+1
3. Markov Enforcer — deals damage
4. Evelyn, the Covetous — exiles a card from a library

a creature is exiled — 1,003 cards in the game can cause this (Mari is one).

When a creature is exiled thanks to Mari, the Killing Quill:

1. Ashnod's Intervention — brings a card back
2. Soulherder — puts a +1/+1 counter on itself

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

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

1. Erebos's Titan — When a creature leaves a graveyard thanks to Mari, the Killing Quill, Erebos's Titan triggers

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

anything is exiled — 2,497 cards in the game can cause this (Mari is one).

1. The War Doctor — When a creature is exiled thanks to Mari, the Killing Quill, The War Doctor puts a time counter on itself

1 other card cares about it too. These are the ones with the most connections.

a creature dies — 2,830 cards in the game can cause this.

1. Hornet Cannon — When an Insect dies thanks to Hornet Cannon, Mari, the Killing Quill exiles it
2. Drudge Spell — When a Skeleton dies thanks to Drudge Spell, Mari, the Killing Quill exiles it
3. Amulet of Safekeeping — When a creature dies thanks to Amulet of Safekeeping, Mari, the Killing Quill exiles it
4. Bloodline Culling — When a creature dies thanks to Bloodline Culling, Mari, the Killing Quill exiles it
5. Illness in the Ranks — When a creature dies thanks to Illness in the Ranks, Mari, the Killing Quill exiles it
6. Virulent Plague — When a creature dies thanks to Virulent Plague, Mari, the Killing Quill exiles it

2,824 other cards cause it too. These are the ones with the most connections.

a token enters the battlefield — 3,710 cards in the game can cause this (Mari is one).

When a Treasure enters thanks to Mari, the Killing Quill:

1. Baron Bertram Graywater — makes a token
2. Marneus Calgar — draws you 1 card
3. Belladonna Took — gains you 1 life
4. Kambal, Profiteering Mayor — makes a token
5. Lucy MacLean, Positively Armed — makes a token
6. Mister Fantastic, Reed Richards — draws you 1 card
7. Cloakwood Swarmkeeper — puts a +1/+1 counter on itself
8. Woodland Champion — puts that many +1/+1 counters on itself
9. Leonardo, the Balance — puts a counter on a creature
10. Spiritcall Enthusiast // Scrollboost — becomes prepared

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

a token is created — 3,711 cards in the game can cause this (Mari is one).

When Mari, the Killing Quill makes a Treasure token:

1. Akim, the Soaring Wind — makes a token
2. Idol of Oblivion — draws you 1 card
3. Rosie Cotton of South Lane — puts a counter on a permanent
4. Mirkwood Bats — makes each opponent lose 1 life

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

a card is drawn — 3,815 cards in the game can cause this (Mari is one).

When Mari, the Killing Quill makes a player draw a card:

1. Temmet, Naktamun's Will — gives +1/+1
2. Niv-Mizzet, Parun — deals 1 damage
3. Aether Syphon — mills a card
4. The Locust God — makes a token
5. Starving Revenant — makes each opponent lose 1 life
6. Diviner's Wand — gets +1/+1
7. Ominous Seas — puts a foreshadow counter on itself
8. Dream Trawler — gets +1/+0
9. Iron Man, Armored Avenger — puts a counter on a creature
10. The Astonishing Ant-Man — puts a +1/+1 counter on itself

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

anything gets a counter — 4,415 cards in the game can cause this (Mari is one).

1. All Will Be One — When a permanent gets a counter thanks to Mari, the Killing Quill, All Will Be One deals that much damage

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

an artifact enters the battlefield — 4,643 cards in the game can cause this (Mari is one).

When a Treasure enters thanks to Mari, the Killing Quill:

1. Transplant Theorist — draws you 1 card
2. Elvish Archivist — puts 2 +1/+1 counters on itself
3. Golbez, Crystal Collector — surveils
4. Sludge Strider — makes a player lose 1 life
5. Underhanded Designs — makes each opponent lose 1 life
6. Mechan Assembler — makes a token
7. Glassdust Hulk — gets +1/+1
8. Rook Turret — draws you 1 card
9. Hedron Detonator — deals 1 damage
10. Pactdoll Terror — makes each opponent lose 1 life

56 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 (Mari is one).

When Mari, the Killing Quill attacks:

1. Invisible Woman — triggers
2. Caesar, Legion's Emperor — sacrifices a creature

153 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 (Mari is one).

1. God-Eternal Oketra — When Mari, the Killing Quill is cast, God-Eternal Oketra makes a token

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 (Mari is one).

1. Lonis, Genetics Expert — When Mari, the Killing Quill enters, Lonis, Genetics Expert puts a counter on itself

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

anything enters the battlefield — 26,499 cards in the game can cause this (Mari is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Mari, the Killing Quill enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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