Underworld Fires

a planeswalker deals noncombat damage — 357 cards in the game can cause this (Underworld Fires is one).

1. Tamanoa — When Underworld Fires deals noncombat damage, Tamanoa gains you that much life

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

anything is exiled — 2,497 cards in the game can cause this (Underworld Fires is one).

1. The War Doctor — When a planeswalker is exiled thanks to Underworld Fires, The War Doctor puts a time counter on itself

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

When Underworld Fires deals noncombat damage:

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

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

a sorcery is cast — 3,720 cards in the game can cause this (Underworld Fires is one).

When Underworld Fires is cast:

1. Invasion of Regatha // Disciples of the Inferno — gets +1/+1
2. Tomik, Izzet Sparkmage — gets +1/+1
3. Spellweaver Volute — copies a spell
4. Lilah, Undefeated Slickshot — gets +1/+1
5. Niblis of Frost — gets +1/+1
6. Primeval Bounty — puts 3 counters on a creature
7. Tetsuko Umezawa, Pursuer — gets +1/+1
8. Thor, God of Thunder — deals that spell's mana value damage
9. Artist's Talent — draws and discards
10. Blood Funnel — sacrifices a creature

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

a creature is dealt damage — 18,923 cards in the game can cause this (Underworld Fires is one).

When a creature is dealt damage thanks to Underworld Fires:

1. Soul Link — gains you that much life
2. Shriveling Rot — kills it
3. Cryoshatter — kills a creature
4. Hot Soup — kills a creature
5. Cracked Skull — kills a creature
6. Sporogenic Infection — kills a creature
7. Frozen Solid — kills a creature
8. Mortal Wound — kills a creature
9. Mire Blight — kills it
10. Death Pits of Rath — kills it

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

anything is cast — 31,128 cards in the game can cause this (Underworld Fires is one).

When Underworld Fires is cast:

1. Windrider Wizard — draws you 1 card
2. Relic Amulet — puts a charge counter on itself
3. Rockslide Sorcerer — deals 1 damage
4. Umara Wizard // Umara Skyfalls — grants flying
5. Alania, Divergent Storm — makes an opponent draw 1 card
6. Umara Mystic — gets +2/+0
7. Master of Winds — triggers

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