Azula, Ruthless Firebender

a card is discarded — 641 cards in Azula's colors can cause this (Azula is one).

When Azula, Ruthless Firebender makes a player discard a card:

1. Containment Construct — brings a card back
2. Moonstone, Harsh Mistress — brings a card back
3. Archfiend of Ifnir — puts a counter on a creature
4. Tinybones, Pocket Nuisance — deals 1 damage
5. Horror of the Broken Lands — gets +2/+1
6. Cryptcaller Chariot — makes that many tokens
7. Dying to Serve — makes a token
8. Currency Converter — exiles it
9. Hostile Investigator — triggers
10. Bag of Holding — exiles it

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

a card in a graveyard — 2,555 cards in Azula's colors can cause this (Azula is one).

Azula, Ruthless Firebender:

1. Heart-Shaped Herb — puts cards into the graveyard that Heart-Shaped Herb can bring back
2. Rescue from the Underworld — puts cards into the graveyard that Rescue from the Underworld can bring back
3. Victimize — puts cards into the graveyard that Victimize can bring back
4. Tergrid, God of Fright // Tergrid's Lantern — puts cards into the graveyard that Tergrid, God of Fright // Tergrid's Lantern can bring back
5. Sivriss, Nightmare Speaker — puts cards into the graveyard that Sivriss, Nightmare Speaker can bring back
6. Repentant Vampire — fills your graveyard toward the 7 or more cards Repentant Vampire needs
7. Treacherous Vampire — fills your graveyard toward the 7 or more cards Treacherous Vampire needs
8. Xiahou Dun, the One-Eyed — puts cards into the graveyard that Xiahou Dun, the One-Eyed can bring back
9. Gloomdrifter — fills your graveyard toward the 7 or more cards Gloomdrifter needs
10. Loot, the Anomaly — fills your graveyard toward the 7 or more cards Loot, the Anomaly needs

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

anything goes to a graveyard — 2,555 cards in Azula's colors can cause this (Azula is one).

When a card hits the graveyard thanks to Azula, Ruthless Firebender:

1. Planar Void — hits a graveyard
2. Measure of Wickedness — gives an opponent control of itself

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

a creature attacks — 3,478 cards in Azula's colors can cause this (Azula is one).

When Azula, Ruthless Firebender attacks:

1. Adaptive Omnitool — searches a library
2. Chorale of the Void — brings a card back
3. Staff of Titania — makes a token
4. Inquisitorial Rosette — makes a token
5. Wand of Orcus — grants deathtouch
6. Andúril, Flame of the West — makes 2 tokens
7. Saw — sacrifices a creature
8. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Throwing Knife — sacrifices itself

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

anything attacks — 3,478 cards in Azula's colors can cause this (Azula is one).

When Azula, Ruthless Firebender attacks:

1. Grim Javelineer — gives +1/+0
2. ED-E, Lonesome Eyebot — puts a quest counter on itself
3. Fire Navy Trebuchet — makes a token
4. Stensian Sanguinist // Exsanguinate — grants deathtouch
5. Rev, Tithe Extractor — grants deathtouch
6. Boggart Prankster — gives +1/+0
7. Within Range — makes each opponent lose life
8. Curse of Disturbance — makes a token
9. Dawnsire, Sunstar Dreadnought — deals 100 damage
10. Twins of Discord — triggers

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

a creature blocks — 3,478 cards in Azula's colors can cause this (Azula is one).

When Azula, Ruthless Firebender blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Barrow-Blade — strips abilities
3. Dead-Iron Sledge — kills a creature

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

a creature deals combat damage — 3,478 cards in Azula's colors can cause this (Azula is one).

1. Hive Mind Coprocessor — When Azula, Ruthless Firebender deals combat damage, Hive Mind Coprocessor makes you lose life

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

a creature is cast — 3,493 cards in Azula's colors can cause this (Azula is one).

When Azula, Ruthless Firebender is cast:

1. Endrek Sahr, Master Breeder — makes that spell's mana value tokens
2. Oketra's Monument — makes a token
3. Bontu's Monument — makes each opponent lose 1 life
4. Vanquisher's Banner — draws you 1 card
5. Rhonas's Monument — gives +2/+2
6. Skittering Horror — sacrifices itself
7. Skittering Skirge — sacrifices itself
8. Skittering Monstrosity — sacrifices itself
9. Hazoret's Monument — draws and discards
10. Kefnet's Monument — triggers

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

a nontoken creature enters the battlefield — 3,680 cards in Azula's colors can cause this (Azula is one).

1. Minion Reflector — When Azula, Ruthless Firebender enters, Minion Reflector makes a token

a creature enters the battlefield — 3,967 cards in Azula's colors can cause this (Azula is one).

When Azula, Ruthless Firebender enters:

1. Ayara, First of Locthwain — makes each opponent lose 1 life
2. Blasting Station — untaps itself
3. Monkey Cage — sacrifices itself

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