Squall

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

When Squall 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. Chandra's Incinerator — deals that much damage
6. Chandra's Pyreling — gets +1/+0
7. Talon of Pain — puts a charge counter on itself
8. Asgardian Inspiration — returns itself from the graveyard
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 (Squall is one).

1. Tomik, Izzet Sparkmage — When Squall is cast, Tomik, Izzet Sparkmage gets +1/+1
2. Spellweaver Volute — When Squall is cast, Spellweaver Volute copies a spell
3. Lilah, Undefeated Slickshot — When Squall is cast, Lilah, Undefeated Slickshot gets +1/+1
4. Niblis of Frost — When Squall is cast, Niblis of Frost gets +1/+1
5. Primeval Bounty — When Squall is cast, Primeval Bounty puts 3 counters on a creature
6. Tetsuko Umezawa, Pursuer — When Squall is cast, Tetsuko Umezawa, Pursuer gets +1/+1
7. Thor, God of Thunder — When Squall is cast, Thor, God of Thunder deals that spell's mana value damage
8. Krile Baldesion — When Squall is cast, Krile Baldesion brings a card back
9. Artist's Talent — When Squall is cast, Artist's Talent draws and discards
10. Blood Funnel — When Squall is cast, 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 (Squall is one).

When a creature is dealt damage thanks to Squall:

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 (Squall is one).

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

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