Sengir, the Dark Baron

a player loses the game — 16 cards in Sengir's colors can cause this.

1. Vorpal Sword — When a permanent makes a player lose the game thanks to Vorpal Sword, Sengir, the Dark Baron gains you that player's life total as the turn began life
2. Strixhaven Stadium — When a permanent makes a player lose the game thanks to Strixhaven Stadium, Sengir, the Dark Baron gains you that player's life total as the turn began life
3. The Deck of Many Things — When The Deck of Many Things makes a player lose the game, Sengir, the Dark Baron gains you that player's life total as the turn began life
4. Summon: Primal Odin — When a permanent makes a player lose the game thanks to Summon: Primal Odin, Sengir, the Dark Baron gains you that player's life total as the turn began life
5. Phage the Untouchable — When a permanent makes a player lose the game thanks to Phage the Untouchable, Sengir, the Dark Baron gains you that player's life total as the turn began life
6. Vraska, Scheming Gorgon — When a permanent makes a player lose the game thanks to Vraska, Scheming Gorgon, Sengir, the Dark Baron gains you that player's life total as the turn began life
7. Triskaidekaphobia — When Triskaidekaphobia makes a player lose the game, Sengir, the Dark Baron gains you that player's life total as the turn began life

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

a Vampire attacks — 267 cards in Sengir's colors can cause this (Sengir is one).

When Sengir, the Dark Baron attacks:

1. Glass-Cast Heart — makes a token
2. Sanctum Seeker — makes each opponent lose 1 life

a Vampire creature is cast — 267 cards in Sengir's colors can cause this (Sengir is one).

1. Bloodlord of Vaasgoth — When Sengir, the Dark Baron is cast, Bloodlord of Vaasgoth grants bloodthirst

life is gained — 642 cards in Sengir's colors can cause this (Sengir is one).

When Sengir, the Dark Baron 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

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

a creature gets a counter — 542 cards in Sengir's colors can cause this (Sengir is one).

When Sengir, the Dark Baron gets a counter:

1. Bold Plagiarist — puts counters on a permanent
2. Omarthis, Ghostfire Initiate — puts a counter on a permanent

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

a creature dies — 1,255 cards in Sengir's colors can cause this.

1. Ghoulish Procession — When a Zombie dies thanks to Ghoulish Procession, Sengir, the Dark Baron puts 2 +1/+1 counters on itself
2. Curse of the Restless Dead — When a Zombie dies thanks to Curse of the Restless Dead, Sengir, the Dark Baron puts 2 +1/+1 counters on itself
3. Slaughter Pact — When a creature dies thanks to Slaughter Pact, Sengir, the Dark Baron puts 2 +1/+1 counters on itself
4. Jadar, Ghoulcaller of Nephalia — When a Zombie dies thanks to Jadar, Ghoulcaller of Nephalia, Sengir, the Dark Baron puts 2 +1/+1 counters on itself
5. Hobbling Zombie — When a Zombie dies thanks to Hobbling Zombie, Sengir, the Dark Baron puts 2 +1/+1 counters on itself
6. Amulet of Safekeeping — When a creature dies thanks to Amulet of Safekeeping, Sengir, the Dark Baron puts 2 +1/+1 counters on itself
7. Bloodline Culling — When a creature dies thanks to Bloodline Culling, Sengir, the Dark Baron puts 2 +1/+1 counters on itself
8. Illness in the Ranks — When a creature dies thanks to Illness in the Ranks, Sengir, the Dark Baron puts 2 +1/+1 counters on itself
9. Virulent Plague — When a creature dies thanks to Virulent Plague, Sengir, the Dark Baron puts 2 +1/+1 counters on itself

1,246 other cards cause it too. These are the ones with the most connections.

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

When Sengir, the Dark Baron 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

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

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

When Sengir, the Dark Baron 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

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

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

When Sengir, the Dark Baron blocks:

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

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

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

1. Hive Mind Coprocessor — When Sengir, the Dark Baron 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 Sengir's colors can cause this (Sengir is one).

When Sengir, the Dark Baron 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 Sengir's colors can cause this (Sengir is one).

1. Minion Reflector — When Sengir, the Dark Baron enters, Minion Reflector makes a token

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

When Sengir, the Dark Baron enters:

1. Ayara, First of Locthwain — makes each opponent lose 1 life
2. Blasting Station — untaps itself
3. Bloodline Pretender — puts a +1/+1 counter on itself
4. Soultether Golem — puts a time counter on itself
5. Poisonbelly Ogre — makes a player lose 1 life
6. Monkey Cage — sacrifices itself
7. Tainted Aether — makes a player sacrifice a creature or land
8. Lethal Vapors — kills it
9. Spreading Plague — kills a creature
10. Wretched Anurid — makes you lose life

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