Blightspeaker

a permanent enters the battlefield — 152 cards in the game can cause this (Blightspeaker is one).

When a Rebel enters thanks to Blightspeaker:

1. Dawn-Blessed Pennant — gains you 1 life
2. Altar of the Brood — mills a card
3. Amareth, the Lustrous — searches a library
4. Rimefire Torque — puts a charge counter on itself
5. Eye of Singularity — kills a permanent

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

a Cleric enters the battlefield — 722 cards in the game can cause this (Blightspeaker is one).

1. Cleric of Life's Bond — When Blightspeaker enters, Cleric of Life's Bond gains you 1 life

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

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

When Blightspeaker makes a player lose life:

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. Oath of Lim-Dûl — sacrifices an enchantment
9. Marina Vendrell's Grimoire — triggers
10. Lich's Mastery — triggers

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

a Human enters the battlefield — 4,639 cards in the game can cause this (Blightspeaker is one).

When Blightspeaker enters:

1. General Kudro of Drannith — hits a graveyard
2. Heronblade Elite — puts a +1/+1 counter on itself
3. Kyler, Sigardian Emissary — puts a +1/+1 counter on itself
4. Thalia's Lieutenant — puts a +1/+1 counter on itself
5. Champion of the Parish — puts a +1/+1 counter on itself
6. Captain of the Mists — untaps itself
7. Erkenbrand, Lord of Westfold — gives +1/+0
8. Beregond of the Guard — gives +1/+1
9. Théoden, King of Rohan — grants double strike
10. Lossarnach Captain — taps a creature an opponent controls

2 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 (Blightspeaker is one).

When Blightspeaker attacks:

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

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 (Blightspeaker is one).

When Blightspeaker 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. Anim Pakal, Thousandth Moon — puts a +1/+1 counter on itself
7. Saw — sacrifices a creature
8. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
9. Ultima Weapon — kills a creature an opponent controls
10. 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 (Blightspeaker is one).

When Blightspeaker blocks:

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

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

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

1. Mardu Ascendancy — When Blightspeaker attacks, Mardu Ascendancy makes a token

2 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 (Blightspeaker is one).

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

314 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 (Blightspeaker is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When a Rebel enters thanks to Blightspeaker, 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.