Urgoros, the Empty One

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

When a permanent makes a player discard a card thanks to Urgoros, the Empty One:

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 is drawn — 789 cards in Urgoros's colors can cause this (Urgoros is one).

When Urgoros, the Empty One makes a player draw a card:

1. Starving Revenant — makes each opponent lose 1 life
2. Diviner's Wand — gets +1/+1
3. Psychosis Crawler — makes each opponent lose 1 life
4. Sheoldred, the Apocalypse — gains you 2 life
5. Moonring Mirror — exiles a card from your library

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

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

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

When a card hits the graveyard thanks to Urgoros, the Empty One:

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 Urgoros's colors can cause this (Urgoros is one).

When Urgoros, the Empty One 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 Urgoros's colors can cause this (Urgoros is one).

When Urgoros, the Empty One 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 Urgoros's colors can cause this (Urgoros is one).

When Urgoros, the Empty One 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 Urgoros's colors can cause this (Urgoros is one).

1. Hive Mind Coprocessor — When Urgoros, the Empty One deals combat damage, Hive Mind Coprocessor makes you lose life

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

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

When Urgoros, the Empty One 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. Skittering Horror — sacrifices itself
6. Skittering Skirge — sacrifices itself
7. Skittering Monstrosity — sacrifices itself
8. Hazoret's Monument — draws and discards

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