Balor

a Demon enters the battlefield — 284 cards in the game can cause this (Balor is one).

1. Blood Speaker — When Balor enters, Blood Speaker returns itself from the graveyard
2. Be'lakor, the Dark Master — When Balor enters, Be'lakor, the Dark Master deals its power damage

you face a dilemma — 739 cards in the game can cause this (Balor is one).

When Balor poses a dilemma:

1. Seven of Nine — draws you 1 card
2. Elim Garak, Simple Tailor — makes each opponent lose 2 life
3. Obsidian Order Operative — makes each opponent lose 1 life

an artifact is sacrificed — 761 cards in the game can cause this (Balor is one).

When an artifact is sacrificed thanks to Balor:

1. Jaws, Relentless Predator — deals 1 damage
2. Vengeful Tracker — deals 2 damage

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

an artifact in a graveyard — 1,226 cards in the game can cause this (Balor is one).

Balor puts cards into the graveyard that:

1. Dredger's Insight — can bring back
2. Bilbo, Unexpected Adventurer — can bring back
3. Queen Kayla bin-Kroog — can bring back
4. Beacon of Unrest — can bring back
5. Narset, Enlightened Exile — can bring back
6. Fallaji Archaeologist — can bring back
7. T'Chaka, Venerable King — can bring back
8. Goblin Welder — can bring back
9. Lara Croft, Tomb Raider — can bring back
10. Saprazzan Bailiff — can bring back

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

an artifact is put into a graveyard from the battlefield — 1,254 cards in the game can cause this (Balor is one).

When an artifact is put into a graveyard from the battlefield thanks to Balor:

1. Party Dude — draws you 1 card
2. Tezzeret's Touch — brings a card back
3. Krenko, Baron of Tin Street — makes a token
4. Shard of the Void Dragon — puts 2 +1/+1 counters on itself
5. Kibo, Uktabi Prince — puts a counter on an Ape or Monkey
6. Ich-Tekik, Salvage Splicer — puts a +1/+1 counter on itself
7. Gremlin Infestation — makes a token
8. Summoning Station — untaps itself
9. Pain Distributor — deals 1 damage
10. Fangren Marauder — gains you 5 life

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

a card is discarded — 2,042 cards in the game can cause this (Balor is one).

When a permanent makes a player discard a card thanks to Balor:

1. Sangromancer — gains you 3 life
2. Lo and Li, Royal Advisors — puts a counter on an Advisor
3. Nath of the Gilt-Leaf — makes a token
4. Tourach, Dread Cantor — puts a +1/+1 counter on itself
5. Tinybones, Pocket Nuisance — deals 1 damage
6. Tinybones, Bauble Burglar — hits a graveyard
7. Fell Specter — makes each opponent lose 2 life
8. Spirit Cairn — makes a token
9. Confessor — gains you 1 life
10. Hostile Investigator — triggers

51 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 (Balor is one).

When Balor 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 (Balor is one).

When Balor 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. Nesting Bot — raises your speed
9. Howlsquad Heavy — raises your speed

47 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 (Balor is one).

1. Shaun, Father of Synths — When Balor attacks, Shaun, Father of Synths makes a token
2. Inti, Seneschal of the Sun — When Balor attacks, Inti, Seneschal of the Sun triggers
3. Cool but Rude — When Balor attacks, Cool but Rude draws and discards

140 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 (Balor is one).

1. Invasion of New Capenna // Holy Frazzle-Cannon — When Balor attacks, Invasion of New Capenna // Holy Frazzle-Cannon puts counters on a permanent
2. Anthem of Rakdos — When Balor attacks, Anthem of Rakdos gives +2/+0

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