Zellix, Sanity Flayer

mill a creature — 2 cards in Zellix's colors can cause this.

When a creature makes a player mill a card thanks to:

1. Underwater Tunnel // Slimy Aquarium — Zellix, Sanity Flayer makes a token
2. Shapeshifter's Marrow — Zellix, Sanity Flayer makes a token

provide a creature to sacrifice — 424 cards in Zellix's colors can cause this.

1. Jalira, Master Polymorphist — Zellix, Sanity Flayer makes fodder for Jalira, Master Polymorphist
2. Polymorph — Zellix, Sanity Flayer makes fodder for Polymorph
3. Proteus Staff — Zellix, Sanity Flayer makes fodder for Proteus Staff
4. Synthetic Destiny — Zellix, Sanity Flayer makes fodder for Synthetic Destiny
5. Mass Polymorph — Zellix, Sanity Flayer makes fodder for Mass Polymorph

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

a token enters the battlefield — 614 cards in Zellix's colors can cause this (Zellix is one).

When a Horror enters thanks to Zellix, Sanity Flayer:

1. Mister Fantastic, Reed Richards — draws you 1 card
2. Junk Winder — taps a creature, artifact, enchantment, planeswalker or battle an opponent controls

a token is created — 615 cards in Zellix's colors can cause this (Zellix is one).

1. Idol of Oblivion — When Zellix, Sanity Flayer makes a Horror token, Idol of Oblivion draws you 1 card

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

a card in a graveyard — 1,684 cards in Zellix's colors can cause this (Zellix is one).

Zellix, Sanity Flayer:

1. Gale, Waterdeep Prodigy — puts cards into the graveyard that Gale, Waterdeep Prodigy can bring back
2. Transplant Theorist — puts cards into the graveyard that Transplant Theorist can bring back
3. Heart-Shaped Herb — puts cards into the graveyard that Heart-Shaped Herb can bring back
4. Mindwhisker — fills your graveyard toward the 7 or more cards Mindwhisker needs
5. Barkform Harvester — puts cards into the graveyard that Barkform Harvester can bring back
6. Cybernetic Specialist — puts cards into the graveyard that Cybernetic Specialist can bring back
7. Picklock Prankster // Free the Fae — puts cards into the graveyard that Picklock Prankster // Free the Fae can bring back
8. Reito Sentinel — puts cards into the graveyard that Reito Sentinel can bring back
9. Merfolk Windrobber — fills an opponent's graveyard toward the 8 or more cards Merfolk Windrobber needs
10. Relic Golem — fills an opponent's graveyard toward the 8 or more cards Relic Golem needs

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

anything goes to a graveyard — 1,684 cards in Zellix's colors can cause this (Zellix is one).

When a card hits the graveyard thanks to Zellix, Sanity Flayer:

1. Quest for Ancient Secrets — puts a quest counter on itself
2. Energy Field — sacrifices itself

a creature attacks — 3,238 cards in Zellix's colors can cause this (Zellix is one).

When Zellix, Sanity Flayer attacks:

1. Adaptive Omnitool — searches a library
2. Kindred Discovery — draws you 1 card
3. Screaming Swarm — mills a card
4. Imperious Mindbreaker — mills a card
5. Staff of Titania — makes a token
6. Inquisitorial Rosette — makes a token
7. Andúril, Flame of the West — makes 2 tokens
8. Saw — sacrifices a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Throwing Knife — sacrifices itself

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

anything attacks — 3,238 cards in Zellix's colors can cause this (Zellix is one).

When Zellix, Sanity Flayer attacks:

1. ED-E, Lonesome Eyebot — puts a quest counter on itself
2. Madame Web, Clairvoyant — mills a card
3. Dawnsire, Sunstar Dreadnought — deals 100 damage
4. Curse of Verbosity — draws you 1 card
5. Gossip's Talent — triggers
6. Alora, Merry Thief — triggers
7. Twins of Discord — triggers
8. Great Gilded Boat — draws and discards
9. Cosmic Cube — triggers
10. Doom's Time Platform — exiles a card from your graveyard

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

a creature blocks — 3,238 cards in Zellix's colors can cause this (Zellix is one).

When Zellix, Sanity Flayer blocks:

1. Barrow-Blade — strips abilities
2. Dead-Iron Sledge — kills a creature
3. Dwindle — kills a creature

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

a creature is cast — 3,254 cards in Zellix's colors can cause this (Zellix is one).

When Zellix, Sanity Flayer is cast:

1. Oketra's Monument — makes a token
2. The Clone Saga — copies a spell
3. Customs Depot — draws you 1 card
4. Bontu's Monument — makes each opponent lose 1 life
5. Vanquisher's Banner — draws you 1 card
6. Rhonas's Monument — gives +2/+2
7. Hazoret's Monument — draws and discards
8. Aether Barrier — makes a player sacrifice a permanent
9. Kefnet's Monument — triggers
10. Equilibrium — triggers

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

a nontoken creature enters the battlefield — 3,316 cards in Zellix's colors can cause this (Zellix is one).

When Zellix, Sanity Flayer enters:

1. Arni, Humble Scribe — untaps itself
2. Minion Reflector — makes a token
3. Overburden — triggers

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

a creature enters the battlefield — 3,581 cards in Zellix's colors can cause this (Zellix is one).

1. Ray Fillet, Wave Warrior — When Zellix, Sanity Flayer enters, Ray Fillet, Wave Warrior puts a counter on itself
2. Pollywog Prodigy — When Zellix, Sanity Flayer enters, Pollywog Prodigy puts a counter on itself
3. Blasting Station — When a Horror enters thanks to Zellix, Sanity Flayer, Blasting Station untaps itself
4. Sage of the Falls — When a Horror enters thanks to Zellix, Sanity Flayer, Sage of the Falls draws you 1 card
5. Bloodline Pretender — When a Horror enters thanks to Zellix, Sanity Flayer, Bloodline Pretender puts a +1/+1 counter on itself
6. Sage's Row Denizen — When Zellix, Sanity Flayer enters, Sage's Row Denizen mills a card
7. Soultether Golem — When a Horror enters thanks to Zellix, Sanity Flayer, Soultether Golem puts a time counter on itself
8. Simic Fluxmage — When Zellix, Sanity Flayer enters, Simic Fluxmage puts a counter on itself
9. Monkey Cage — When a Horror enters thanks to Zellix, Sanity Flayer, Monkey Cage sacrifices itself

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