Long River Lurker

anything leaves the battlefield — 1 card in the game can cause this (Long River Lurker is one).

1. Shaun, Father of Synths — When Shaun, Father of Synths leaves the battlefield thanks to Long River Lurker, it exiles a Synth you control

a Frog attacks — 135 cards in the game can cause this (Long River Lurker is one).

1. Grolnok, the Omnivore — When Long River Lurker attacks, Grolnok, the Omnivore mills a card

a Frog enters the battlefield — 140 cards in the game can cause this (Long River Lurker is one).

1. Valley Mightcaller — When Long River Lurker enters, Valley Mightcaller puts a +1/+1 counter on itself

a Scout deals combat damage — 353 cards in the game can cause this (Long River Lurker is one).

1. Vaan, Street Thief — When Long River Lurker deals combat damage, Vaan, Street Thief exiles a card from a library

a nontoken creature is exiled — 995 cards in the game can cause this (Long River Lurker is one).

1. The War Games — When Long River Lurker is exiled, The War Games exiles a Warrior

a creature is exiled — 1,003 cards in the game can cause this (Long River Lurker is one).

When Long River Lurker 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.

anything is exiled — 2,497 cards in the game can cause this (Long River Lurker is one).

1. The War Doctor — When Long River Lurker is exiled, The War Doctor puts a time counter on itself
2. God-Eternal Oketra — When God-Eternal Oketra is exiled thanks to Long River Lurker, it triggers

a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Long River Lurker is one).

When Long River Lurker 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 (Long River Lurker is one).

1. Lunarch Veteran // Luminous Phantom — When Long River Lurker leaves the battlefield, Lunarch Veteran // Luminous Phantom gains you 1 life
2. Rapacious Guest — When Rapacious Guest leaves the battlefield thanks to Long River Lurker, it makes each opponent lose life equal to its power
3. Extractor Demon — When Long River Lurker leaves the battlefield, Extractor Demon mills a card
4. Aang, Airbending Master — When Long River Lurker leaves the battlefield, Aang, Airbending Master puts a counter on a permanent
5. Dour Port-Mage — When Long River Lurker leaves the battlefield, Dour Port-Mage draws you 1 card
6. Vela the Night-Clad — When Long River Lurker leaves the battlefield, Vela the Night-Clad makes each opponent lose 1 life
7. Champions of the Perfect — When Champions of the Perfect leaves the battlefield thanks to Long River Lurker, it triggers
8. Phantasmal Mount — When Phantasmal Mount leaves the battlefield thanks to Long River Lurker, it triggers
9. Funeral March — When Long River Lurker leaves the battlefield, Funeral March makes a player sacrifice a creature
10. Sally Sparrow — When Long River Lurker leaves the battlefield, Sally Sparrow triggers

22 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 (Long River Lurker is one).

When Long River Lurker attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Temmet, Naktamun's Will — draws you 1 card
3. Grim Javelineer — gives +1/+0
4. Invisible Woman — triggers
5. Caesar, Legion's Emperor — sacrifices a creature
6. Guide of Souls — triggers
7. Campsite Cuisine — sacrifices a Food
8. Gossip's Talent — triggers
9. Banon, the Returners' Leader — draws and discards
10. Toph, Earthbending Master — puts a counter on a permanent

114 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 (Long River Lurker is one).

When Long River Lurker attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Kindred Discovery — draws you 1 card
4. Invasion of New Capenna // Holy Frazzle-Cannon — puts counters on a permanent
5. Chorale of the Void — brings a card back
6. Saw — sacrifices a creature
7. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
8. Ultima Weapon — kills a creature an opponent controls
9. Total War — kills a creature

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

a creature blocks — 17,934 cards in the game can cause this (Long River Lurker is one).

When Long River Lurker blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Tide of War — sacrifices a creature
3. Dead-Iron Sledge — kills a creature
4. Dwindle — kills a creature

25 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.

1. Fire Nation Salvagers — When Fire Nation Salvagers enters thanks to Long River Lurker, it puts a counter on a creature or Vehicle
2. Goblin Goliath — When Goblin Goliath enters thanks to Long River Lurker, it makes a token
3. Slash, Reptile Rampager — When Long River Lurker enters, Slash, Reptile Rampager deals 2 damage
4. Ray Fillet, Wave Warrior — When Long River Lurker enters, Ray Fillet, Wave Warrior puts a counter on itself
5. The Neutrinos — When Long River Lurker enters, The Neutrinos gets +1/+0
6. Wingnut, Bat on the Belfry — When Long River Lurker enters, Wingnut, Bat on the Belfry grants flying, haste and menace
7. Identity Thief — When Long River Lurker enters thanks to Identity Thief, it triggers
8. Matter Reshaper — When Long River Lurker enters thanks to Matter Reshaper, it triggers
9. Dominion Saboteur — When Long River Lurker enters because Dominion Saboteur copies it, its ability triggers again
10. Undercover Operative — When Long River Lurker enters because Undercover Operative copies it, its ability triggers again
11. Visage Bandit — When Long River Lurker enters because Visage Bandit copies it, its ability triggers again
12. Wall of Stolen Identity — When Long River Lurker enters because Wall of Stolen Identity copies it, its ability triggers again
13. Vesuvan Doppelganger — When Long River Lurker enters because Vesuvan Doppelganger copies it, its ability triggers again
14. Quicksilver Gargantuan — When Long River Lurker enters because Quicksilver Gargantuan copies it, its ability triggers again
15. Sakashima's Protege — When Long River Lurker enters because Sakashima's Protege copies it, its ability triggers again
16. Mockingbird — When Long River Lurker enters because Mockingbird copies it, its ability triggers again
17. Aetherstorm Roc — When Long River Lurker enters, Aetherstorm Roc puts a counter on a permanent you control
18. Raphael, Most Attitude — When Long River Lurker enters, Raphael, Most Attitude exiles a card from your library

331 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 (Long River Lurker is one).

1. Zenos yae Galvus // Shinryu, Transcendent Rival — When Zenos yae Galvus // Shinryu, Transcendent Rival enters thanks to Long River Lurker, it shrinks a creature by -2/-2
2. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Long River Lurker enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself
3. Ivora, Insatiable Heir — When Ivora, Insatiable Heir enters thanks to Long River Lurker, it makes a token

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