Dreadhorde Invasion

an Army gets a counter — 74 cards in the game can cause this (Dreadhorde Invasion is one).

1. The Great Goblin — When a permanent gets a counter thanks to Dreadhorde Invasion, The Great Goblin deals 2 damage

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

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

When a Zombie enters thanks to Dreadhorde Invasion:

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 creature gets a counter — 2,691 cards in the game can cause this (Dreadhorde Invasion is one).

1. Scurry Oak — When Scurry Oak gets a counter thanks to Dreadhorde Invasion, it makes a token
2. Fathom Mage — When Fathom Mage gets a counter thanks to Dreadhorde Invasion, it draws you 1 card
3. Hollowmurk Siege — When a Zombie or Army gets a counter thanks to Dreadhorde Invasion, Hollowmurk Siege draws you 1 card
4. Ant-Man, Colony Commander — When a Zombie or Army gets a counter thanks to Dreadhorde Invasion, Ant-Man, Colony Commander makes a token
5. Earth Kingdom General — When a Zombie or Army gets a counter thanks to Dreadhorde Invasion, Earth Kingdom General gains you that much life
6. Casey Jones, Back Alley Brute — When a Zombie or Army gets a counter thanks to Dreadhorde Invasion, Casey Jones, Back Alley Brute deals that much damage
7. Shalai and Hallar — When a Zombie or Army gets a counter thanks to Dreadhorde Invasion, Shalai and Hallar deals that much damage
8. Danny Pink — When a Zombie or Army gets a counter thanks to Dreadhorde Invasion, Danny Pink draws you 1 card
9. Enduring Scalelord — When a Zombie or Army gets a counter thanks to Dreadhorde Invasion, Enduring Scalelord puts a +1/+1 counter on itself
10. Mikey & Leo, Chaos & Order — When a Zombie or Army gets a counter thanks to Dreadhorde Invasion, Mikey & Leo, Chaos & Order draws you 1 card

33 other cards care about 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 (Dreadhorde Invasion is one).

When a Zombie or Army enters thanks to Dreadhorde Invasion:

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 (Dreadhorde Invasion is one).

1. Staff of the Storyteller — When Dreadhorde Invasion makes a Zombie or Army 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.

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

When Dreadhorde Invasion 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.

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

When Dreadhorde Invasion 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 (Dreadhorde Invasion is one).

1. Historian's Boon — When Dreadhorde Invasion enters, Historian's Boon makes a token

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

When a Zombie or Army enters thanks to Dreadhorde Invasion:

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 (Dreadhorde Invasion is one).

When Dreadhorde Invasion makes a Zombie or Army 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.

an enchantment enters the battlefield — 3,743 cards in the game can cause this (Dreadhorde Invasion is one).

When Dreadhorde Invasion enters:

1. Calix, Guided by Fate — puts a counter on a creature
2. Killian, Decisive Mentor — taps a creature

78 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 (Dreadhorde Invasion is one).

1. Airbender Ascension — When a Zombie or Army enters thanks to Dreadhorde Invasion, Airbender Ascension puts a quest counter on itself

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