Cathedral Membrane

a Phyrexian artifact is cast — 90 cards in the game can cause this (Cathedral Membrane is one).

1. Brimaz, Blight of Oreskos — When Cathedral Membrane is cast, Brimaz, Blight of Oreskos puts a counter on a permanent

a Wall creature it boosts — 229 cards in the game can cause this.

1. Fortified Area — Fortified Area gives Cathedral Membrane bigger stats

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

a Wall creature it grants abilities to — 229 cards in the game can cause this.

1. Rolling Stones — Rolling Stones gives Cathedral Membrane an extra ability

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

a Phyrexian attacks — 495 cards in the game can cause this (Cathedral Membrane is one).

1. Vulpine Harvester — When Cathedral Membrane attacks, Vulpine Harvester brings a card back

a nontoken Phyrexian enters the battlefield — 496 cards in the game can cause this (Cathedral Membrane is one).

1. Darksteel Splicer — When Cathedral Membrane enters, Darksteel Splicer makes a token

a Phyrexian enters the battlefield — 524 cards in the game can cause this (Cathedral Membrane is one).

1. Essence of Orthodoxy — When Cathedral Membrane enters, Essence of Orthodoxy puts a counter on a permanent

an artifact attacks — 1,243 cards in the game can cause this (Cathedral Membrane is one).

When Cathedral Membrane attacks:

1. Alibou, Ancient Witness — deals X damage
2. Bio-Asset Allocator — makes each opponent lose 1 life
3. Assaultron Dominator — puts a counter on a permanent
4. Aloy, Savior of Meridian — triggers

an artifact deals combat damage — 1,243 cards in the game can cause this (Cathedral Membrane is one).

When Cathedral Membrane deals combat damage:

1. Locutus of Borg — makes a token
2. Sharding Sphinx — makes a token
3. Antagonist Incorporator — makes a token
4. Research Thief — draws you 1 card
5. Thopter Spy Network — draws you 1 card
6. Hive Mind Coprocessor — makes you lose life
7. Pia Nalaar, Chief Mechanic — puts a counter on a permanent you control
8. Automated Assembly Line — triggers

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

a nontoken artifact deals combat damage — 1,243 cards in the game can cause this (Cathedral Membrane is one).

1. Virulent Silencer — When Cathedral Membrane deals combat damage, Virulent Silencer puts 2 counters on a permanent

anything deals noncombat damage — 3,068 cards in the game can cause this (Cathedral Membrane is one).

When Cathedral Membrane deals noncombat damage:

1. Quest for Pure Flame — puts a quest counter on itself
2. Soul-Scar Mage — puts that many counters on a permanent
3. Fear of Burning Alive — deals that amount damage
4. Niv-Mizzet, Visionary — draws you that many cards
5. Dragonborn Champion — draws you 1 card
6. Chandra's Incinerator — deals that much damage
7. Chandra's Pyreling — gets +1/+0
8. Talon of Pain — puts a charge counter on itself
9. Thor, Guardian of Midgard — exiles a card from your library
10. Virtue of Courage // Embereth Blaze — exiles a card from your library

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

an artifact is cast — 3,683 cards in the game can cause this (Cathedral Membrane is one).

When Cathedral Membrane is cast:

1. Mendicant Core, Guidelight — copies a spell
2. Sai, Master Thopterist — makes a token
3. Ravenous Robots — makes a token
4. Pinnacle Emissary — makes a token
5. Mirrodin Besieged — makes a token
6. Poetic Ingenuity — makes a token
7. Digsite Engineer — makes a token
8. Myrsmith — makes a token
9. Riddlesmith — draws you 1 card
10. Dr. Madison Li — puts a counter on a permanent you control

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

a nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Cathedral Membrane is one).

When Cathedral Membrane enters:

1. Ultron, Artificial Malevolence — makes a token
2. The Prydwen, Steel Flagship — makes a token
3. Conquest Mission — puts a quest counter on itself
4. Surge Conductor — proliferates
5. Replication Specialist — makes a token
6. Weapons Manufacturing — makes a token
7. Mirrorworks — makes a token

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

When Cathedral Membrane enters:

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 (Cathedral Membrane is one).

When Cathedral Membrane attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Invisible Woman — triggers

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

a creature attacks — 17,934 cards in the game can cause this (Cathedral Membrane is one).

1. Anthem of Rakdos — When Cathedral Membrane attacks, Anthem of Rakdos gives +2/+0

198 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 (Cathedral Membrane is one).

1. Primeval Bounty — When Cathedral Membrane is cast, Primeval Bounty makes a token

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

a creature is dealt damage — 18,923 cards in the game can cause this (Cathedral Membrane is one).

1. Soul Link — When Cathedral Membrane is dealt damage, Soul Link gains you that much life

26 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 (Cathedral Membrane is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Cathedral Membrane enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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