Morinfen

a Phyrexian is put into a graveyard from the battlefield — 21 cards in Morinfen's colors can cause this (Morinfen is one).

1. Gift of Compleation — When Morinfen is put into a graveyard from the battlefield, Gift of Compleation surveils

a nontoken creature is sacrificed — 698 cards in Morinfen's colors can cause this (Morinfen is one).

When you sacrifice Morinfen:

1. Fumulus, the Infestation — makes a token
2. Bag of Devouring — exiles it

a creature is sacrificed — 699 cards in Morinfen's colors can cause this (Morinfen is one).

When you sacrifice Morinfen:

1. Smothering Abomination — draws you 1 card
2. Plumb the Forbidden — copies a spell
3. Zodiark, Umbral God — puts a +1/+1 counter on itself
4. Evin, Waterdeep Opportunist — makes a token
5. Kingpin, Wilson Fisk — makes 2 tokens
6. Mortician Beetle — puts a +1/+1 counter on itself
7. Lightless Evangel — puts a +1/+1 counter on itself
8. Cabal Therapist — triggers
9. Prowling Geistcatcher — exiles it

a creature in a graveyard — 1,237 cards in Morinfen's colors can cause this (Morinfen is one).

When Morinfen is in the graveyard:

1. Chainer, Dementia Master — can bring it back
2. Liliana the Repentant — can bring it back
3. Sword of Light and Shadow — can bring it back
4. Necromantic Thirst — can bring it back
5. Ruthless Technomancer — can bring it back
6. Forum Necroscribe — can bring it back
7. The Deck of Many Things — can bring it back
8. Polluted Cistern // Dim Oubliette — can bring it back
9. Sibsig Muckdraggers — can bring it back
10. The Cauldron of Eternity — gets bigger

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

a nontoken creature dies — 1,237 cards in Morinfen's colors can cause this (Morinfen is one).

1. Avacyn, Angel of Horror — When Morinfen dies, Avacyn, Angel of Horror brings a card back
2. Nim Deathmantle — When Morinfen dies, Nim Deathmantle brings a card back
3. Decaying Soil — When Morinfen dies, Decaying Soil brings a card back
4. High-Society Hunter — When Morinfen dies, High-Society Hunter draws you 1 card
5. Gate to the Afterlife — When Morinfen dies, Gate to the Afterlife gains you 1 life
6. Voldaren Bloodcaster // Bloodbat Summoner — When Morinfen dies, Voldaren Bloodcaster // Bloodbat Summoner makes a token
7. Liliana, Heretical Healer // Liliana, Defiant Necromancer — When Morinfen dies, Liliana, Heretical Healer // Liliana, Defiant Necromancer flickers itself
8. Body Launderer — When Morinfen dies, Body Launderer draws and discards
9. Nightmare Shepherd — When Morinfen dies, Nightmare Shepherd exiles it
10. Homicide Investigator — When Morinfen dies, Homicide Investigator triggers

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

a creature dies — 1,255 cards in Morinfen's colors can cause this (Morinfen is one).

1. Shriveling Rot — When Morinfen dies, Shriveling Rot makes a player lose life equal to its toughness
2. Meathook Massacre II — When Morinfen dies, Meathook Massacre II brings a card back
3. Ashnod's Intervention — When Morinfen dies, Ashnod's Intervention brings a card back
4. Malakir Rebirth // Malakir Mire — When Morinfen dies, Malakir Rebirth // Malakir Mire brings a card back
5. Oathkeeper, Takeno's Daisho — When Morinfen dies, Oathkeeper, Takeno's Daisho brings a card back
6. Undying Malice — When Morinfen dies, Undying Malice brings a card back
7. Feign Death — When Morinfen dies, Feign Death brings a card back
8. Resurrection Orb — When Morinfen dies, Resurrection Orb brings a card back
9. Vincent's Limit Break — When Morinfen dies, Vincent's Limit Break brings a card back
10. Demonic Gifts — When Morinfen dies, Demonic Gifts brings a card back

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

a creature goes to a graveyard — 1,280 cards in Morinfen's colors can cause this (Morinfen is one).

1. Robot Domination — When Morinfen hits the graveyard, Robot Domination draws you 1 card

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

anything is sacrificed — 1,292 cards in Morinfen's colors can cause this (Morinfen is one).

1. Gorbag of Minas Morgul — When you sacrifice Morinfen, Gorbag of Minas Morgul triggers

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

a nontoken creature leaves the battlefield — 1,393 cards in Morinfen's colors can cause this (Morinfen is one).

When Morinfen leaves the battlefield:

1. Splinter, the Mentor — makes a token
2. Rat King, Pale Piper — makes a token

a creature leaves the battlefield — 1,418 cards in Morinfen's colors can cause this (Morinfen is one).

When Morinfen leaves the battlefield:

1. Ninja Teen — makes each opponent lose 1 life
2. Extractor Demon — mills a card
3. Traveling Plague — returns itself from the graveyard
4. Funeral March — makes a player sacrifice a creature

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

a card in a graveyard — 2,555 cards in Morinfen's colors can cause this (Morinfen is one).

1. Repentant Vampire — Morinfen fills your graveyard toward the 7 or more cards Repentant Vampire needs
2. Treacherous Vampire — Morinfen fills your graveyard toward the 7 or more cards Treacherous Vampire needs
3. Treacherous Werewolf — Morinfen fills your graveyard toward the 7 or more cards Treacherous Werewolf needs
4. Heart-Shaped Herb — When Morinfen is in the graveyard, Heart-Shaped Herb can bring it back
5. Rescue from the Underworld — When Morinfen is in the graveyard, Rescue from the Underworld can bring it back
6. Victimize — When Morinfen is in the graveyard, Victimize can bring it back
7. Tergrid, God of Fright // Tergrid's Lantern — When Morinfen is in the graveyard, Tergrid, God of Fright // Tergrid's Lantern can bring it back
8. Sivriss, Nightmare Speaker — When Morinfen is in the graveyard, Sivriss, Nightmare Speaker can bring it back

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

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

1. Chorale of the Void — When Morinfen attacks, Chorale of the Void brings a card back

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

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

1. Grim Javelineer — When Morinfen attacks, Grim Javelineer gives +1/+0

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