Korlash, Heir to Blackblade

a Swamp enters the battlefield — 63 cards in the game can cause this (Korlash is one).

When a Swamp enters thanks to Korlash, Heir to Blackblade:

1. Thelon's Chant — deals 3 damage
2. Veilborn Ghoul — returns itself from the graveyard
3. Staff of the Death Magus — gains you 1 life
4. Dread Presence — triggers

a Zombie deals combat damage — 657 cards in the game can cause this (Korlash is one).

1. Undead Alchemist — When Korlash, Heir to Blackblade deals combat damage, Undead Alchemist mills a card

a Zombie attacks — 657 cards in the game can cause this (Korlash is one).

1. Varina, Lich Queen — When Korlash, Heir to Blackblade attacks, Varina, Lich Queen draws you that many cards

a nontoken Zombie enters the battlefield — 661 cards in the game can cause this (Korlash is one).

1. Necroduality — When Korlash, Heir to Blackblade enters, Necroduality makes a token

a Zombie enters the battlefield — 795 cards in the game can cause this (Korlash is one).

When Korlash, Heir to Blackblade enters:

1. Noxious Ghoul — shrinks a creature by -1/-1
2. Geralf, the Fleshwright — puts counters on a permanent
3. Wayward Servant — makes each opponent lose 1 life
4. Champion of the Perished — puts a +1/+1 counter on itself
5. Mummy Paramount — gets +1/+1
6. Unconventional Tactics — returns itself from the graveyard
7. Binding Mummy — taps a creature or artifact

a Warrior attacks — 1,319 cards in the game can cause this (Korlash is one).

1. Najeela, the Blade-Blossom — When Korlash, Heir to Blackblade attacks, Najeela, the Blade-Blossom makes a token

a Warrior deals combat damage — 1,319 cards in the game can cause this (Korlash is one).

1. Raiders' Spoils — When Korlash, Heir to Blackblade deals combat damage, Raiders' Spoils makes you lose life

a Warrior creature enters the battlefield — 1,401 cards in the game can cause this (Korlash is one).

1. Obsidian Battle-Axe — When Korlash, Heir to Blackblade enters, Obsidian Battle-Axe triggers

a Warrior enters the battlefield — 1,403 cards in the game can cause this (Korlash is one).

When Korlash, Heir to Blackblade enters:

1. Mardu Woe-Reaper — hits a graveyard
2. Thrasher Brute — makes each opponent lose 1 life
3. Decorated Champion — puts a +1/+1 counter on itself

a land enters the battlefield — 1,560 cards in the game can cause this (Korlash is one).

When a Swamp enters thanks to Korlash, Heir to Blackblade:

1. Primeval Bounty — gains you 3 life
2. Toph, Earthbending Master — puts a counter on a permanent
3. Dancing from Dark to Dawn — makes a token
4. Emeria Shepherd — brings a card back
5. Quest for the Necropolis — puts a quest counter on itself
6. Soul Stair Expedition — puts a quest counter on itself
7. Nissa of Shadowed Boughs — puts counters on a permanent
8. Thranduil, Sindarin Liege // Silvan Rally — makes a token
9. Silvan Reveler — returns itself from the graveyard
10. Floral Evoker — puts a +1/+1 counter on itself

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

a card is discarded — 2,042 cards in the game can cause this (Korlash is one).

When a permanent makes a player discard a card thanks to Korlash, Heir to Blackblade:

1. Ivora, Insatiable Heir — puts a +1/+1 counter on itself
2. Cool but Rude — deals 2 damage
3. Containment Construct — brings a card back
4. Moonstone, Harsh Mistress — brings a card back
5. Lazotep Chancellor — puts 2 counters on a Zombie or Army
6. Magmakin Artillerist — deals that much damage
7. Inti, Seneschal of the Sun — exiles a card from your library
8. Pitchstone Wall — sacrifices itself
9. Currency Converter — exiles it
10. Hostile Investigator — triggers

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

a card in a graveyard — 7,589 cards in the game can cause this (Korlash is one).

Korlash, Heir to Blackblade:

1. Samwise Gamgee — puts cards into the graveyard that Samwise Gamgee can bring back
2. Bloodbond March — puts cards into the graveyard that Bloodbond March can bring back
3. Thor, God of Thunder — puts cards into the graveyard that Thor, God of Thunder can bring back
4. Gale, Waterdeep Prodigy — puts cards into the graveyard that Gale, Waterdeep Prodigy can bring back
5. Harness the Storm — puts cards into the graveyard that Harness the Storm can bring back
6. Transplant Theorist — puts cards into the graveyard that Transplant Theorist can bring back
7. Heart-Shaped Herb — puts cards into the graveyard that Heart-Shaped Herb can bring back
8. Wayward Angel — fills your graveyard toward the 7 or more cards Wayward Angel needs
9. Rescue from the Underworld — puts cards into the graveyard that Rescue from the Underworld can bring back
10. Victimize — puts cards into the graveyard that Victimize can bring back

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

anything goes to a graveyard — 7,589 cards in the game can cause this (Korlash is one).

When a card hits the graveyard thanks to Korlash, Heir to Blackblade:

1. Quest for Ancient Secrets — puts a quest counter on itself
2. Planar Void — hits a graveyard
3. Measure of Wickedness — gives an opponent control of itself
4. Energy Field — sacrifices itself

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

anything attacks — 17,934 cards in the game can cause this (Korlash is one).

When Korlash, Heir to Blackblade attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Temmet, Naktamun's Will — draws you 1 card
3. Invisible Woman — triggers
4. Caesar, Legion's Emperor — sacrifices a creature

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

a creature attacks — 17,934 cards in the game can cause this (Korlash is one).

1. Adaptive Omnitool — When Korlash, Heir to Blackblade attacks, Adaptive Omnitool searches a library

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

anything enters the battlefield — 26,499 cards in the game can cause this (Korlash is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Korlash, Heir to Blackblade enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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