Grim Guardian

a Zombie deals combat damage — 657 cards in the game can cause this (Grim Guardian is one).

1. Undead Alchemist — When Grim Guardian deals combat damage, Undead Alchemist mills a card

a Zombie attacks — 657 cards in the game can cause this (Grim Guardian is one).

1. Varina, Lich Queen — When Grim Guardian attacks, Varina, Lich Queen draws you that many cards

a nontoken Zombie enters the battlefield — 661 cards in the game can cause this (Grim Guardian is one).

1. Necroduality — When Grim Guardian enters, Necroduality makes a token

a Zombie it boosts — 669 cards in the game can cause this.

1. Cursecloth Wrappings — Cursecloth Wrappings gives Grim Guardian bigger stats

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

a Zombie enters the battlefield — 795 cards in the game can cause this (Grim Guardian is one).

When Grim Guardian enters:

1. Noxious Ghoul — shrinks a creature by -1/-1
2. Geralf, the Fleshwright — puts counters on a permanent
3. Wayward Servant — makes each opponent lose 1 life
4. Champion of the Perished — puts a +1/+1 counter on itself
5. Mummy Paramount — gets +1/+1
6. Unconventional Tactics — returns itself from the graveyard
7. Binding Mummy — taps a creature or artifact

a Zombie creature it grants abilities to — 797 cards in the game can cause this.

1. Ghoulflesh — Ghoulflesh gives Grim Guardian an extra ability

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

life is lost — 3,160 cards in the game can cause this (Grim Guardian is one).

When a permanent makes a player lose life thanks to Grim Guardian:

1. Far Fortune, End Boss — raises your speed
2. Zahur, Glory's Past — raises your speed
3. Mendicant Core, Guidelight — raises your speed
4. Aether Syphon — raises your speed
5. Vnwxt, Verbose Host — raises your speed
6. Embalmed Ascendant — raises your speed
7. Slick Imitator — raises your speed
8. Nesting Bot — raises your speed
9. Howlsquad Heavy — raises your speed
10. Hour of Victory — raises your speed

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

an enchantment is cast — 3,673 cards in the game can cause this (Grim Guardian is one).

When Grim Guardian is cast:

1. Hallowed Haunting — makes a token
2. Daxos the Returned — puts a counter on a permanent
3. Tatsunari, Toad Rider — makes a token
4. Sythis, Harvest's Hand — gains you 1 life
5. Sigil of the Empty Throne — makes a token
6. Dawnhart Geist — gains you 2 life
7. Herald of the Pantheon — gains you 1 life
8. Kami of Transience — puts a +1/+1 counter on itself
9. Argothian Enchantress — draws you 1 card
10. Mesa Enchantress — draws you 1 card

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

a nontoken enchantment enters the battlefield — 3,691 cards in the game can cause this (Grim Guardian is one).

1. Historian's Boon — When Grim Guardian enters, Historian's Boon makes a token

an enchantment enters the battlefield — 3,743 cards in the game can cause this.

1. Calix, Guided by Fate — When Grim Guardian enters, Calix, Guided by Fate puts a counter on a creature
2. Elvish Archivist — When Grim Guardian enters, Elvish Archivist draws you 1 card
3. Victor, Valgavoth's Seneschal — When Grim Guardian enters, Victor, Valgavoth's Seneschal surveils
4. Strength from the Fallen — When Grim Guardian enters, Strength from the Fallen gives +X/+X, where X is the number of creature cards in your graveyard
5. Doomwake Giant — When Grim Guardian enters, Doomwake Giant shrinks a creature by -1/-1
6. Cacophony Unleashed — When Grim Guardian enters, Cacophony Unleashed turns something into a creature
7. Ghostly Dancers — When Grim Guardian enters, Ghostly Dancers makes a token
8. Thassa's Devourer — When Grim Guardian enters, Thassa's Devourer mills a card
9. Curse of Disturbance — When Curse of Disturbance enters, Grim Guardian makes each opponent lose 1 life
10. Curse of Shallow Graves — When Curse of Shallow Graves enters, Grim Guardian makes each opponent lose 1 life
11. Kaya's Ghostform — When Kaya's Ghostform enters, Grim Guardian makes each opponent lose 1 life
12. Unholy Indenture — When Unholy Indenture enters, Grim Guardian makes each opponent lose 1 life
13. Shade's Form — When Shade's Form enters, Grim Guardian makes each opponent lose 1 life
14. Changing Loyalty — When Changing Loyalty enters, Grim Guardian makes each opponent lose 1 life
15. Fungal Fortitude — When Fungal Fortitude enters, Grim Guardian makes each opponent lose 1 life
16. Minion's Return — When Minion's Return enters, Grim Guardian makes each opponent lose 1 life
17. Necrogen Communion — When Necrogen Communion enters, Grim Guardian makes each opponent lose 1 life
18. Unhallowed Pact — When Unhallowed Pact enters, Grim Guardian makes each opponent lose 1 life
19. Killian, Decisive Mentor — When Grim Guardian enters, Killian, Decisive Mentor taps a creature
20. Thoughtrender Lamia — When Grim Guardian enters, Thoughtrender Lamia makes an opponent discard a card

142 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 (Grim Guardian is one).

When Grim Guardian attacks:

1. Within Range — makes each opponent lose life
2. Sparring Regimen — puts a counter on a creature
3. Temmet, Naktamun's Will — draws you 1 card
4. Campsite Cuisine — sacrifices a Food
5. Obsessive Pursuit — makes you lose life
6. Invisible Woman — triggers
7. Caesar, Legion's Emperor — sacrifices a creature
8. Guide of Souls — triggers

118 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 (Grim Guardian is one).

When Grim Guardian attacks:

1. Adaptive Omnitool — searches a library
2. Saw — sacrifices a creature

190 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 (Grim Guardian is one).

When Grim Guardian is cast:

1. Primeval Bounty — makes a token
2. Communal Brewing — it arrives with counters thanks to Communal Brewing

89 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 (Grim Guardian is one).

When Grim Guardian enters:

1. Pollywog Prodigy — puts a counter on itself
2. Airbender Ascension — puts a quest counter on itself
3. Slash, Reptile Rampager — deals 2 damage
4. Ray Fillet, Wave Warrior — puts a counter on itself
5. The Neutrinos — gets +1/+0
6. Aetherstorm Roc — puts a counter on a permanent you control

333 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 (Grim Guardian is one).

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

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