Killmonger, Ruthless Usurper

a Villain deals combat damage — 49 cards in Killmonger's colors can cause this (Killmonger is one).

1. Stilt-Man, Towering Terror — When Killmonger, Ruthless Usurper deals combat damage, Stilt-Man, Towering Terror triggers

an artifact is sacrificed — 415 cards in Killmonger's colors can cause this (Killmonger is one).

When an artifact is sacrificed thanks to Killmonger, Ruthless Usurper:

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

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

an artifact in a graveyard — 557 cards in Killmonger's colors can cause this (Killmonger is one).

Killmonger, Ruthless Usurper puts cards into the:

1. Goblin Welder — graveyard that Goblin Welder can bring back
2. Tomakul Scrapsmith — graveyard that Tomakul Scrapsmith can bring back
3. Scrap Mastery — graveyard that Scrap Mastery can bring back
4. Slag Fiend — graveyard, and Slag Fiend gets bigger

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

an artifact is put into a graveyard from the battlefield — 567 cards in Killmonger's colors can cause this (Killmonger is one).

When an artifact is put into a graveyard from the battlefield thanks to Killmonger, Ruthless Usurper:

1. Krenko, Baron of Tin Street — makes a token
2. Gremlin Infestation — makes a token
3. Summoning Station — untaps itself
4. Pain Distributor — deals 1 damage
5. Sardian Avenger — deals 1 damage
6. Magnetic Mine — deals 2 damage

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

a token is created — 757 cards in Killmonger's colors can cause this (Killmonger is one).

1. Idol of Oblivion — When Killmonger, Ruthless Usurper makes a Treasure token, Idol of Oblivion draws you 1 card

a Human enters the battlefield — 661 cards in Killmonger's colors can cause this (Killmonger is one).

When Killmonger, Ruthless Usurper enters:

1. Erkenbrand, Lord of Westfold — gives +1/+0
2. Vigilante Justice — deals 1 damage

an artifact enters the battlefield — 2,684 cards in Killmonger's colors can cause this (Killmonger is one).

When a Treasure enters thanks to Killmonger, Ruthless Usurper:

1. Hedron Detonator — deals 1 damage
2. Machinesmith Automaton — puts a +1/+1 counter on itself
3. Oreplate Pangolin — puts a +1/+1 counter on itself
4. Arcbound Crusher — puts a +1/+1 counter on itself
5. Towashi Songshaper — gets +1/+0
6. Battered Golem — untaps itself
7. Dragonspark Reactor — puts a charge counter on itself
8. Grinding Station — untaps itself
9. Reckless Fireweaver — deals 1 damage
10. Quicksmith Genius — draws and discards

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

a card in a graveyard — 1,770 cards in Killmonger's colors can cause this (Killmonger is one).

Killmonger, Ruthless Usurper:

1. Vessel of Endless Rest — puts cards into the graveyard that Vessel of Endless Rest can bring back
2. Heart-Shaped Herb — puts cards into the graveyard that Heart-Shaped Herb can bring back
3. Reito Sentinel — puts cards into the graveyard that Reito Sentinel can bring back
4. Chrome Companion — puts cards into the graveyard that Chrome Companion can bring back
5. Phyrexian Archivist — puts cards into the graveyard that Phyrexian Archivist can bring back
6. Malevolent Chandelier — puts cards into the graveyard that Malevolent Chandelier can bring back
7. Cogwork Archivist — puts cards into the graveyard that Cogwork Archivist can bring back
8. Jade-Cast Sentinel — puts cards into the graveyard that Jade-Cast Sentinel can bring back
9. Hoverstone Pilgrim — puts cards into the graveyard that Hoverstone Pilgrim can bring back
10. Relic Golem — fills an opponent's graveyard toward the 8 or more cards Relic Golem needs

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

a creature attacks — 3,451 cards in Killmonger's colors can cause this (Killmonger is one).

When Killmonger, Ruthless Usurper attacks:

1. Adaptive Omnitool — searches a library
2. Staff of Titania — makes a token
3. Saw — sacrifices a creature
4. Ultima Weapon — kills a creature an opponent controls
5. Total War — kills a creature
6. The Spear of Leonidas — triggers
7. Norin the Wary — flickers itself
8. Throwing Knife — sacrifices itself

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

a creature blocks — 3,451 cards in Killmonger's colors can cause this (Killmonger is one).

When Killmonger, Ruthless Usurper blocks:

1. Tide of War — sacrifices a creature
2. Dead-Iron Sledge — kills a creature

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

anything attacks — 3,451 cards in Killmonger's colors can cause this (Killmonger is one).

When Killmonger, Ruthless Usurper attacks:

1. ED-E, Lonesome Eyebot — puts a quest counter on itself
2. Misty Mountains Raider — puts 2 counters on a Goblin or Army
3. Razorkin Hordecaller — makes a token
4. War Effort — makes a token
5. Inti, Seneschal of the Sun — triggers
6. Gut, True Soul Zealot — sacrifices a creature or artifact
7. Cool but Rude — draws and discards
8. Swashbuckler Extraordinaire — sacrifices a Treasure
9. Puppet Master, String Puller — triggers

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

a creature enters the battlefield — 3,801 cards in Killmonger's colors can cause this (Killmonger is one).

When Killmonger, Ruthless Usurper enters:

1. Enduring Courage — gives +2/+0
2. Slash, Reptile Rampager — deals 2 damage
3. Gimli of the Glittering Caves — puts counters on a permanent
4. Wingnut, Bat on the Belfry — grants flying, haste and menace
5. Raphael, Most Attitude — exiles a card from your library

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