Avacyn, Angel of Horror

an Angel enters the battlefield — 28 cards in Avacyn's colours can cause this (Avacyn is one).

1. Seraph Sanctuary — When Avacyn, Angel of Horror enters, Seraph Sanctuary gains you 1 life

a creature leaves a graveyard — 635 cards in Avacyn's colours can cause this (Avacyn is one).

When Avacyn, Angel of Horror leaves a graveyard:

1. Grim Reaper's Scythe — makes a token
2. Syr Konrad, the Grim — deals 1 damage
3. Along the Crooked Way — puts a counter on a Goblin or Army
4. Skeleton Crew — makes a token
5. Desecrated Tomb — makes a token
6. Undead Hand Ninja — makes each opponent lose 1 life
7. Rot Farm Mortipede — gets +1/+0
8. Soul Enervation — makes each opponent lose 1 life

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

anything leaves a graveyard — 939 cards in Avacyn's colours can cause this (Avacyn is one).

When Avacyn, Angel of Horror leaves a graveyard:

1. Defiled Crypt // Cadaver Lab — makes a token
2. Tormod, the Desecrator — makes a token
3. Fang, Fearless l'Cie — draws you 1 card
4. Teval's Judgment — triggers

a nontoken creature dies — 1,227 cards in Avacyn's colours can cause this.

When a creature dies thanks to:

1. Shriveling Rot — Avacyn, Angel of Horror brings a card back
2. Foot Chopper — Avacyn, Angel of Horror brings a card back
3. Grave Peril — Avacyn, Angel of Horror brings a card back
4. Spreading Plague — Avacyn, Angel of Horror brings a card back
5. Hot Soup — Avacyn, Angel of Horror brings a card back
6. Cracked Skull — Avacyn, Angel of Horror brings a card back
7. Sporogenic Infection — Avacyn, Angel of Horror brings a card back
8. Mire Blight — Avacyn, Angel of Horror brings a card back
9. Death Pits of Rath — Avacyn, Angel of Horror brings a card back
10. Blood Funnel — Avacyn, Angel of Horror brings a card back

1,217 other cards cause it too. These are the ones with the most connections.

a creature attacks — 3,455 cards in Avacyn's colours can cause this (Avacyn is one).

When Avacyn, Angel of Horror attacks:

1. Adaptive Omnitool — searches a library
2. Chorale of the Void — brings a card back
3. Hooded Blightfang — makes each opponent lose 1 life
4. Staff of Titania — makes a token
5. Inquisitorial Rosette — makes a token
6. Wand of Orcus — grants deathtouch
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

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

anything attacks — 3,455 cards in Avacyn's colours can cause this (Avacyn is one).

When Avacyn, Angel of Horror 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

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

a creature is cast — 3,470 cards in Avacyn's colours can cause this (Avacyn is one).

When Avacyn, Angel of Horror 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 — 3,652 cards in Avacyn's colours can cause this (Avacyn is one).

1. Minion Reflector — When Avacyn, Angel of Horror enters, Minion Reflector makes a token

a creature enters the battlefield — 3,938 cards in Avacyn's colours can cause this (Avacyn is one).

1. Fire Nation Salvagers — When Fire Nation Salvagers enters thanks to Avacyn, Angel of Horror, it puts a counter on a creature or Vehicle
2. Tenured Inkcaster — When Tenured Inkcaster enters thanks to Avacyn, Angel of Horror, it puts a counter on a creature
3. Ayara, First of Locthwain — When Avacyn, Angel of Horror enters, Ayara, First of Locthwain makes each opponent lose 1 life
4. Glaring Fleshraker — When Avacyn, Angel of Horror enters, Glaring Fleshraker deals 1 damage
5. Blasting Station — When Avacyn, Angel of Horror enters, Blasting Station untaps itself
6. Bloodline Pretender — When Avacyn, Angel of Horror enters, Bloodline Pretender puts a +1/+1 counter on itself
7. Clandestine Meddler — When Clandestine Meddler enters thanks to Avacyn, Angel of Horror, it triggers
8. Monkey Cage — When Avacyn, Angel of Horror enters, Monkey Cage sacrifices itself
9. Tainted Aether — When Avacyn, Angel of Horror enters, Tainted Aether makes a player sacrifice a creature or land
10. Lethal Vapors — When Avacyn, Angel of Horror enters, Lethal Vapors kills it

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