Kardur, Doomscourge

a Berserker attacks — 147 cards in Kardur's colors can cause this (Kardur is one).

1. The Bloodsky Massacre — When Kardur, Doomscourge attacks, The Bloodsky Massacre draws you 1 card

a Demon enters the battlefield — 215 cards in Kardur's colors can cause this (Kardur is one).

1. Blood Speaker — When Kardur, Doomscourge enters, Blood Speaker returns itself from the graveyard

life is gained — 663 cards in Kardur's colors can cause this (Kardur is one).

When Kardur, Doomscourge gains life:

1. South Wind Avatar — makes each opponent lose 1 life
2. Veinwitch Coven — brings a card back
3. Lich's Mastery — draws you that many cards
4. Wall of Limbs — puts a +1/+1 counter on itself
5. MACH-1, Swooping Scoundrel — surveils
6. Enduring Tenacity — makes each opponent lose life equal to that much
7. Nazar, the Velvet Fang — puts a feeding counter on itself
8. Citizen V, Helmut Zemo — puts a counter on a Villain
9. Bloodbond Vampire — puts a +1/+1 counter on itself
10. Leech Collector // Bloodletting — becomes prepared

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

a creature dies — 1,676 cards in Kardur's colors can cause this.

1. Blasting Station — When you sacrifice a creature to Blasting Station, Kardur, Doomscourge makes each opponent lose 1 life
2. Relic Vial — When you sacrifice a creature to Relic Vial, Kardur, Doomscourge makes each opponent lose 1 life
3. Erebos, Bleak-Hearted — When you sacrifice another creature to Erebos, Bleak-Hearted, Kardur, Doomscourge makes each opponent lose 1 life
4. Jinxed Ring — When you sacrifice a creature to Jinxed Ring, Kardur, Doomscourge makes each opponent lose 1 life
5. Witch's Cauldron — When you sacrifice a creature to Witch's Cauldron, Kardur, Doomscourge makes each opponent lose 1 life
6. Bubbling Cauldron — When you sacrifice a creature to Bubbling Cauldron, Kardur, Doomscourge makes each opponent lose 1 life
7. Life Chisel — When you sacrifice a creature to Life Chisel, Kardur, Doomscourge makes each opponent lose 1 life
8. Jinxed Idol — When you sacrifice a creature to Jinxed Idol, Kardur, Doomscourge makes each opponent lose 1 life
9. Doom Cannon — When you sacrifice a creature of the chosen type to Doom Cannon, Kardur, Doomscourge makes each opponent lose 1 life
10. Skull Catapult — When you sacrifice a creature to Skull Catapult, Kardur, Doomscourge makes each opponent lose 1 life

1,666 other cards cause it too. These are the ones with the most connections.

life is lost — 2,457 cards in Kardur's colors can cause this (Kardur is one).

When a permanent makes a player lose life thanks to Kardur, Doomscourge:

1. Far Fortune, End Boss — raises your speed
2. Howlsquad Heavy — raises your speed
3. Hour of Victory — raises your speed
4. Walking Sarcophagus — raises your speed
5. Gas Guzzler — raises your speed
6. Gastal Raider — raises your speed
7. Risen Necroregent — raises your speed
8. The Master of Lake-town — mills a card
9. Starting Column — raises your speed
10. Momentum Breaker — raises your speed

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

a creature attacks — 6,499 cards in Kardur's colors can cause this (Kardur is one).

When Kardur, Doomscourge attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Chorale of the Void — brings a card back
4. Ingris Stingerquill — deals 1 damage
5. Staff of Titania — makes a token
6. Saw — sacrifices a creature
7. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
8. Ultima Weapon — kills a creature an opponent controls
9. Total War — kills a creature
10. The Spear of Leonidas — triggers

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

a creature blocks — 6,499 cards in Kardur's colors can cause this (Kardur is one).

When Kardur, Doomscourge blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Carnage Gladiator — makes a player lose 1 life
3. Barrow-Blade — strips abilities
4. Heat of Battle — deals 1 damage
5. Battle Strain — deals 1 damage
6. Tide of War — sacrifices a creature
7. Dead-Iron Sledge — kills a creature

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

anything attacks — 6,499 cards in Kardur's colors can cause this (Kardur is one).

When Kardur, Doomscourge 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. Misty Mountains Raider — puts 2 counters on a Goblin or Army
5. Razorkin Hordecaller — makes a token
6. War Effort — makes a token
7. Inti, Seneschal of the Sun — triggers
8. Gut, True Soul Zealot — sacrifices a creature or artifact
9. Cool but Rude — draws and discards
10. Swashbuckler Extraordinaire — sacrifices a Treasure

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

a creature deals combat damage — 6,499 cards in Kardur's colors can cause this (Kardur is one).

1. Hive Mind Coprocessor — When Kardur, Doomscourge deals combat damage, Hive Mind Coprocessor makes you lose life

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

a creature is cast — 6,529 cards in Kardur's colors can cause this (Kardur is one).

When Kardur, Doomscourge is cast:

1. Endrek Sahr, Master Breeder — makes that spell's mana value tokens
2. Summon: Brynhildr — grants haste
3. Oketra's Monument — makes a token
4. Skittering Horror — sacrifices itself
5. Skittering Skirge — sacrifices itself
6. Skittering Monstrosity — sacrifices itself

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

a creature enters the battlefield — 7,209 cards in Kardur's colors can cause this (Kardur is one).

When Kardur, Doomscourge enters:

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

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

put anything onto the battlefield — 10,466 cards in Kardur's colors can cause this.

When Kardur, Doomscourge enters because:

1. Orthion, Hero of Lavabrink — copies it, its ability triggers again
2. Echoing Assault — copies it, its ability triggers again

10,464 other cards cause it too. These are the ones with the most connections.