Monsoon

an Island becomes tapped — 2 cards in the game can cause this (Monsoon is one).

1. Thoughtleech — When an Island becomes tapped thanks to Monsoon, Thoughtleech gains you 1 life

a land becomes tapped — 50 cards in the game can cause this (Monsoon is one).

When an Island becomes tapped thanks to Monsoon:

1. Steam Vines — deals 1 damage
2. Pooling Venom — makes a player lose 2 life
3. Chronic Flooding — mills a card
4. Roots of Life — gains you 1 life
5. Psychic Venom — deals 2 damage
6. Orcish Mine — triggers
7. Spreading Algae — kills it
8. Blight — kills it
9. Uncontrolled Infestation — kills it
10. Kudzu — kills a land

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

anything deals noncombat damage — 3,068 cards in the game can cause this (Monsoon is one).

When Monsoon deals noncombat damage:

1. Quest for Pure Flame — puts a quest counter on itself
2. Fear of Burning Alive — deals that amount damage
3. Niv-Mizzet, Visionary — draws you that many cards
4. Chandra's Incinerator — deals that much damage
5. Chandra's Pyreling — gets +1/+0
6. Talon of Pain — puts a charge counter on itself
7. Asgardian Inspiration — returns itself from the graveyard
8. Thor, Guardian of Midgard — exiles a card from your library
9. Virtue of Courage // Embereth Blaze — exiles a card from your library

37 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 (Monsoon is one).

When Monsoon 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.

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

When Monsoon is cast:

1. Master Pakku — gets +1/+1
2. Soul-Scar Mage — gets +1/+1
3. Tomik, Izzet Sparkmage — gets +1/+1
4. Hallowed Haunting — makes a token
5. Daxos the Returned — puts a counter on a permanent
6. Tatsunari, Toad Rider — makes a token
7. Sythis, Harvest's Hand — gains you 1 life
8. Sigil of the Empty Throne — makes a token
9. Dawnhart Geist — gains you 2 life
10. Artist's Talent — draws and discards

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 (Monsoon is one).

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

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

1. Calix, Guided by Fate — When Monsoon enters, Calix, Guided by Fate puts a counter on a creature
2. Elvish Archivist — When Monsoon enters, Elvish Archivist draws you 1 card
3. Victor, Valgavoth's Seneschal — When Monsoon enters, Victor, Valgavoth's Seneschal surveils
4. Strength from the Fallen — When Monsoon enters, Strength from the Fallen gives +X/+X, where X is the number of creature cards in your graveyard
5. Doomwake Giant — When Monsoon enters, Doomwake Giant shrinks a creature by -1/-1
6. Cacophony Unleashed — When Monsoon enters, Cacophony Unleashed turns something into a creature
7. Ghostly Dancers — When Monsoon enters, Ghostly Dancers makes a token
8. Thassa's Devourer — When Monsoon enters, Thassa's Devourer mills a card
9. Killian, Decisive Mentor — When Monsoon enters, Killian, Decisive Mentor taps a creature
10. Thoughtrender Lamia — When Monsoon enters, Thoughtrender Lamia makes an opponent discard a card

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

anything is dealt damage — 19,812 cards in the game can cause this (Monsoon is one).

When a player is dealt damage thanks to Monsoon:

1. Massacre Girl, Most Wanted — puts a +1/+1 counter on itself
2. War Elemental — puts that many +1/+1 counters on itself
3. Darien, King of Kjeldor — makes that many tokens
4. Blood Hound — puts that many +1/+1 counters on itself
5. Chandra's Spitfire — gets +3/+0
6. Wildfire Elemental — gives +1/+0
7. Swarmborn Giant — sacrifices itself
8. Risona, Asari Commander — triggers
9. Azor's Elocutors — triggers

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