Mari, the Killing Quill

an Assassin attacks — 102 cards in Mari's colors can cause this (Mari is one).

1. The Revelations of Ezio — When Mari, the Killing Quill attacks, The Revelations of Ezio puts a counter on a permanent

an Assassin deals combat damage — 102 cards in Mari's colors can cause this (Mari is one).

1. Jacob Frye — When Mari, the Killing Quill deals combat damage, Jacob Frye exiles a card from your graveyard

an Assassin creature it grants types to — 102 cards in Mari's colors can cause this.

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

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

a Vampire attacks — 267 cards in Mari's colors 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 Vampire creature is cast — 267 cards in Mari's colors can cause this (Mari is one).

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

a creature is exiled — 275 cards in Mari's colors can cause this (Mari is one).

1. Ashnod's Intervention — When a creature is exiled thanks to Mari, the Killing Quill, Ashnod's Intervention brings a card back

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

a creature leaves a graveyard — 645 cards in Mari's colors 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

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

a creature dies — 1,255 cards in Mari's colors 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

1,249 other cards cause it too. These are the ones with the most connections.

a token is created — 726 cards in Mari's colors can cause this (Mari is one).

When Mari, the Killing Quill makes a Treasure token:

1. Idol of Oblivion — draws you 1 card
2. Mirkwood Bats — makes each opponent lose 1 life

a card is drawn — 789 cards in Mari's colors can cause this (Mari is one).

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

1. Starving Revenant — makes each opponent lose 1 life
2. Diviner's Wand — gets +1/+1
3. Psychosis Crawler — makes each opponent lose 1 life
4. Sheoldred, the Apocalypse — gains you 2 life
5. Moonring Mirror — exiles a card from your library

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

an artifact enters the battlefield — 2,613 cards in Mari's colors can cause this (Mari is one).

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

1. Underhanded Designs — makes each opponent lose 1 life
2. Pactdoll Terror — makes each opponent lose 1 life
3. Arcbound Crusher — puts a +1/+1 counter on itself
4. Arcbound Condor — shrinks a creature by -1/-1
5. Glaze Fiend — gets +2/+2
6. Battered Golem — untaps itself
7. Skorpekh Destroyer — grants first strike
8. Grinding Station — untaps itself
9. Ovalchase Daredevil — returns itself from the graveyard
10. Vermiculos — gets +4/+4

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

a creature attacks — 3,478 cards in Mari's colors can cause this (Mari is one).

When Mari, the Killing Quill attacks:

1. Adaptive Omnitool — searches a library
2. Chorale of the Void — brings a card back
3. Staff of Titania — makes a token
4. Inquisitorial Rosette — makes a token
5. Wand of Orcus — grants deathtouch
6. Andúril, Flame of the West — makes 2 tokens
7. Saw — sacrifices a creature
8. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Throwing Knife — sacrifices itself

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

anything attacks — 3,478 cards in Mari's colors can cause this (Mari is one).

When Mari, the Killing Quill attacks:

1. Grim Javelineer — gives +1/+0
2. ED-E, Lonesome Eyebot — puts a quest counter on itself
3. Fire Navy Trebuchet — makes a token
4. Stensian Sanguinist // Exsanguinate — grants deathtouch
5. Rev, Tithe Extractor — grants deathtouch
6. Boggart Prankster — gives +1/+0
7. Within Range — makes each opponent lose life
8. Curse of Disturbance — makes a token
9. Dawnsire, Sunstar Dreadnought — deals 100 damage
10. Twins of Discord — triggers

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

a creature blocks — 3,478 cards in Mari's colors can cause this (Mari is one).

When Mari, the Killing Quill blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Barrow-Blade — strips abilities
3. Dead-Iron Sledge — kills a creature

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

a creature deals combat damage — 3,478 cards in Mari's colors can cause this (Mari is one).

1. Hive Mind Coprocessor — When Mari, the Killing Quill deals combat damage, Hive Mind Coprocessor makes you lose life

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

a creature is cast — 3,493 cards in Mari's colors can cause this (Mari is one).

When Mari, the Killing Quill is cast:

1. Endrek Sahr, Master Breeder — makes that spell's mana value tokens
2. Oketra's Monument — makes a token
3. Bontu's Monument — makes each opponent lose 1 life
4. Vanquisher's Banner — draws you 1 card
5. Rhonas's Monument — gives +2/+2
6. Skittering Horror — sacrifices itself
7. Skittering Skirge — sacrifices itself
8. Skittering Monstrosity — sacrifices itself
9. Hazoret's Monument — draws and discards
10. Kefnet's Monument — triggers

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

a nontoken creature enters the battlefield — 3,680 cards in Mari's colors can cause this (Mari is one).

1. Minion Reflector — When Mari, the Killing Quill enters, Minion Reflector makes a token

a creature enters the battlefield — 3,967 cards in Mari's colors can cause this (Mari is one).

1. Ayara, First of Locthwain — When Mari, the Killing Quill enters, Ayara, First of Locthwain makes each opponent lose 1 life

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