Watchers of the Dead

a Cat deals combat damage — 395 cards in the game can cause this (Watchers of the Dead is one).

1. Feline Sovereign — When Watchers of the Dead deals combat damage, Feline Sovereign kills an artifact or enchantment an opponent controls

a Cat attacks — 395 cards in the game can cause this (Watchers of the Dead is one).

1. Arahbo, Roar of the World — When Watchers of the Dead attacks, Arahbo, Roar of the World grants trample

a nontoken Cat enters the battlefield — 396 cards in the game can cause this (Watchers of the Dead is one).

1. Arahbo, the First Fang — When Watchers of the Dead enters, Arahbo, the First Fang makes a token

a Cat enters the battlefield — 414 cards in the game can cause this (Watchers of the Dead is one).

When Watchers of the Dead enters:

1. Qasali Slingers — kills an artifact or enchantment an opponent controls
2. Kemba, Kha Enduring — triggers

a nontoken creature is exiled — 995 cards in the game can cause this (Watchers of the Dead is one).

1. The War Games — When Watchers of the Dead is exiled, The War Games exiles a Warrior

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

When Watchers of the Dead is exiled:

1. Ashnod's Intervention — brings a card back
2. Syr Vondam, Sunstar Exemplar — puts a +1/+1 counter on itself
3. Kaya, Spirits' Justice — copies a permanent
4. Soulherder — puts a +1/+1 counter on itself
5. Kaya's Ghostform — blinks a permanent

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

an artifact attacks — 1,243 cards in the game can cause this (Watchers of the Dead is one).

When Watchers of the Dead 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 (Watchers of the Dead is one).

When Watchers of the Dead 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 (Watchers of the Dead is one).

1. Virulent Silencer — When Watchers of the Dead deals combat damage, Virulent Silencer puts 2 counters on a permanent

an artifact leaves the battlefield — 1,680 cards in the game can cause this (Watchers of the Dead is one).

1. Sludge Strider — When Watchers of the Dead leaves the battlefield, Sludge Strider makes a player lose 1 life

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

1. The War Doctor — When Watchers of the Dead is exiled, The War Doctor puts a time counter on itself

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

an artifact is cast — 3,683 cards in the game can cause this (Watchers of the Dead is one).

When Watchers of the Dead 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 (Watchers of the Dead is one).

When Watchers of the Dead 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

a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Watchers of the Dead is one).

When Watchers of the Dead leaves the battlefield:

1. Tokka & Rahzar, Unsupervised — puts a +1/+1 counter on itself
2. Splinter, the Mentor — makes a token
3. Rat King, Pale Piper — makes a token
4. Dual Nature — exiles a creature

a creature leaves the battlefield — 4,238 cards in the game can cause this (Watchers of the Dead is one).

When Watchers of the Dead leaves the battlefield:

1. Lunarch Veteran // Luminous Phantom — gains you 1 life
2. Extractor Demon — mills a card
3. Aang, Airbending Master — puts a counter on a permanent
4. Dour Port-Mage — draws you 1 card
5. Vela the Night-Clad — makes each opponent lose 1 life
6. Funeral March — makes a player sacrifice a creature
7. Sally Sparrow — triggers
8. Aang, at the Crossroads // Aang, Destined Savior — triggers

23 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 (Watchers of the Dead is one).

1. Shaun, Father of Synths — When Watchers of the Dead attacks, Shaun, Father of Synths makes a token

139 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 (Watchers of the Dead is one).

When Watchers of the Dead is cast:

1. God-Eternal Oketra — makes a token
2. Primeval Bounty — makes a token
3. Champions of the Perfect — draws you 1 card

88 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 (Watchers of the Dead is one).

1. Pollywog Prodigy — When Watchers of the Dead enters, Pollywog Prodigy puts a counter on itself

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