Cao Cao, Lord of Wei

a Soldier creature enters the battlefield — 95 cards in Cao Cao's colors can cause this (Cao Cao is one).

1. Veteran's Armaments — When Cao Cao, Lord of Wei enters, Veteran's Armaments triggers

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

When a permanent makes a player discard a card thanks to Cao Cao, Lord of Wei:

1. Sangromancer — gains you 3 life
2. Tourach, Dread Cantor — puts a +1/+1 counter on itself
3. Tinybones, Pocket Nuisance — deals 1 damage
4. Tinybones, Bauble Burglar — hits a graveyard
5. Fell Specter — makes each opponent lose 2 life
6. Entropic Battlecruiser — makes a player lose 3 life
7. Abyssal Nocturnus — gets +2/+2
8. Raiders' Wake — makes each opponent lose 2 life
9. Geth's Grimoire — draws you 1 card
10. Hostile Investigator — triggers

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

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

1. Heart-Shaped Herb — Cao Cao, Lord of Wei puts cards into the graveyard that Heart-Shaped Herb can bring back
2. Tergrid, God of Fright // Tergrid's Lantern — Cao Cao, Lord of Wei puts cards into the graveyard that Tergrid, God of Fright // Tergrid's Lantern can bring back
3. Dauthi Voidwalker — Cards Cao Cao, Lord of Wei would put into an opponent's graveyard are exiled by Dauthi Voidwalker instead, and it can play from among them
4. Thieves' Guild Enforcer — Cao Cao, Lord of Wei fills an opponent's graveyard toward the 8 or more cards Thieves' Guild Enforcer needs
5. Reito Sentinel — Cao Cao, Lord of Wei puts cards into the graveyard that Reito Sentinel can bring back
6. Szarekh, the Silent King — Cao Cao, Lord of Wei puts cards into the graveyard that Szarekh, the Silent King can bring back
7. Chrome Companion — Cao Cao, Lord of Wei puts cards into the graveyard that Chrome Companion can bring back
8. Ashnod's Intervention — Cao Cao, Lord of Wei puts cards into the graveyard that Ashnod's Intervention can bring back
9. Phyrexian Archivist — Cao Cao, Lord of Wei puts cards into the graveyard that Phyrexian Archivist can bring back
10. Relic Golem — Cao Cao, Lord of Wei fills an opponent's graveyard toward the 8 or more cards Relic Golem 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 Cao Cao's colors can cause this (Cao Cao is one).

When a card hits the graveyard thanks to Cao Cao, Lord of Wei:

1. The Haunt of Hightower — puts a +1/+1 counter on itself
2. Bloodchief Ascension — makes each opponent lose 2 life
3. Planar Void — hits a graveyard

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

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

When Cao Cao, Lord of Wei 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

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

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

When Cao Cao, Lord of Wei 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 Cao Cao's colors can cause this (Cao Cao is one).

When Cao Cao, Lord of Wei blocks:

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

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

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

1. Hive Mind Coprocessor — When Cao Cao, Lord of Wei 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 Cao Cao's colors can cause this (Cao Cao is one).

When Cao Cao, Lord of Wei 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 Cao Cao's colors can cause this (Cao Cao is one).

1. Minion Reflector — When Cao Cao, Lord of Wei enters, Minion Reflector makes a token

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

1. Ayara, First of Locthwain — When Cao Cao, Lord of Wei enters, Ayara, First of Locthwain makes each opponent lose 1 life

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