Aether Herder

an Artificer enters the battlefield — 342 cards in the game can cause this (Aether Herder is one).

1. Inventor's Goggles — When Aether Herder enters, Inventor's Goggles triggers

an Elf attacks — 723 cards in the game can cause this (Aether Herder is one).

When Aether Herder attacks:

1. Celeborn the Wise — scries
2. Tyvar the Bellicose — grants deathtouch
3. Harald Unites the Elves — shrinks a creature by -1/-1
4. Arboreal Alliance — triggers

a nontoken Elf enters the battlefield — 728 cards in the game can cause this (Aether Herder is one).

1. Wirewood Hivemaster — When Aether Herder enters, Wirewood Hivemaster makes a token

an Elf enters the battlefield — 752 cards in the game can cause this (Aether Herder is one).

When Aether Herder enters:

1. Wolverine Riders — gains you its toughness life
2. Elvish Warmaster — makes a token
3. Elvish Vanguard — puts a +1/+1 counter on itself
4. Marwyn, the Nurturer — puts a +1/+1 counter on itself
5. Woodland Weavemaster — gets +1/+1
6. High Perfect Morcant — puts a counter on a permanent an opponent controls
7. Maralen, Fae Ascendant — exiles a card from an opponent's library

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

provide a creature to sacrifice — 2,720 cards in the game can cause this.

1. Birthing Ritual — Aether Herder makes fodder for Birthing Ritual

2,719 other cards cause it too. These are the ones with the most connections.

a creature token enters the battlefield — 2,799 cards in the game can cause this (Aether Herder is one).

When a Servo enters thanks to Aether Herder:

1. Securitron Squadron — puts a counter on a permanent
2. Anointer Priest — gains you 1 life
3. Nesting Dovehawk — puts a +1/+1 counter on itself

a creature token is created — 2,799 cards in the game can cause this (Aether Herder is one).

1. Staff of the Storyteller — When Aether Herder makes a Servo token, Staff of the Storyteller puts a story counter on itself

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

a token enters the battlefield — 3,710 cards in the game can cause this (Aether Herder is one).

When a Servo enters thanks to Aether Herder:

1. Baron Bertram Graywater — makes a token
2. Marneus Calgar — draws you 1 card
3. Belladonna Took — gains you 1 life
4. Kambal, Profiteering Mayor — makes each opponent lose 1 life
5. Lucy MacLean, Positively Armed — makes a token
6. Mister Fantastic, Reed Richards — draws you 1 card
7. Cloakwood Swarmkeeper — puts a +1/+1 counter on itself
8. Woodland Champion — puts that many +1/+1 counters on itself
9. Leonardo, the Balance — puts a counter on a creature
10. Spiritcall Enthusiast // Scrollboost — becomes prepared

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

a token is created — 3,711 cards in the game can cause this (Aether Herder is one).

When Aether Herder makes a Servo token:

1. Akim, the Soaring Wind — makes a token
2. Idol of Oblivion — draws you 1 card
3. Rosie Cotton of South Lane — puts a counter on a permanent
4. Mirkwood Bats — makes each opponent lose 1 life

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

anything gets a counter — 4,415 cards in the game can cause this (Aether Herder is one).

When a permanent gets a counter thanks to Aether Herder:

1. Aether Revolt — deals that much damage
2. Territorial Gorger — gets +2/+2
3. Fabrication Module — puts a counter on a creature
4. All Will Be One — deals that much damage

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

an artifact enters the battlefield — 4,643 cards in the game can cause this (Aether Herder is one).

When a Servo enters thanks to Aether Herder:

1. Transplant Theorist — draws you 1 card
2. Elvish Archivist — puts 2 +1/+1 counters on itself
3. Golbez, Crystal Collector — surveils
4. Sludge Strider — makes a player lose 1 life
5. Underhanded Designs — makes each opponent lose 1 life
6. Mechan Assembler — makes a token
7. Glassdust Hulk — gets +1/+1
8. Rook Turret — draws you 1 card
9. Hedron Detonator — deals 1 damage
10. Pactdoll Terror — makes each opponent lose 1 life

58 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 (Aether Herder is one).

When Aether Herder attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Temmet, Naktamun's Will — draws you 1 card
3. Invisible Woman — triggers
4. Caesar, Legion's Emperor — sacrifices a creature
5. Guide of Souls — triggers

139 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 (Aether Herder is one).

When Aether Herder attacks:

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

206 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 (Aether Herder is one).

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

354 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 (Aether Herder is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When a Servo enters thanks to Aether Herder, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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