Cavern Harpy

anything leaves the battlefield — 1 card in the game can cause this (Cavern Harpy is one).

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

a Beast creature is cast — 587 cards in the game can cause this (Cavern Harpy is one).

1. Tawnos, the Toymaker — When Cavern Harpy is cast, Tawnos, the Toymaker copies a spell

a Beast enters the battlefield — 632 cards in the game can cause this (Cavern Harpy is one).

When Cavern Harpy enters:

1. Totem Speaker — gains you 3 life
2. Wirewood Savage — draws you 1 card
3. Woodland Liege — draws you 1 card
4. Aether Charge — deals 4 damage

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

When Cavern Harpy makes a player lose life:

1. The Master of Lake-town — mills a card
2. Intermediate Chirography — puts a counter on a creature
3. Vilis, Broker of Blood — draws you that many cards
4. Vengeful Warchief — puts a +1/+1 counter on itself
5. Wax-Wane Witness — gets +1/+0
6. Oath of Lim-Dûl — sacrifices an enchantment
7. Marina Vendrell's Grimoire — triggers
8. Lich's Mastery — triggers
9. Lich's Tomb — sacrifices a permanent
10. Gonti's Machinations — puts a counter on a permanent you control

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

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

When Cavern Harpy 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 (Cavern Harpy is one).

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

21 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 (Cavern Harpy is one).

When Cavern Harpy 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

112 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 (Cavern Harpy is one).

When Cavern Harpy 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

182 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 (Cavern Harpy is one).

When Cavern Harpy 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

24 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 (Cavern Harpy is one).

1. Champions of the Perfect — When Cavern Harpy is cast, Champions of the Perfect draws you 1 card

90 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 (Cavern Harpy is one).

When Cavern Harpy enters:

1. Slash, Reptile Rampager — deals 2 damage
2. Ray Fillet, Wave Warrior — puts a counter on itself
3. The Neutrinos — gets +1/+0
4. Wingnut, Bat on the Belfry — grants flying, haste and menace
5. Aetherstorm Roc — puts a counter on a permanent you control
6. Raphael, Most Attitude — exiles a card from your library

302 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 (Cavern Harpy is one).

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

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