Sinister Concierge

a nontoken creature is exiled — 995 cards in the game can cause this (Sinister Concierge is one).

1. The War Games — When Sinister Concierge is exiled, The War Games exiles a Warrior

a creature is exiled — 1,003 cards in the game can cause this (Sinister Concierge is one).

When Sinister Concierge is exiled:

1. Ashnod's Intervention — brings a card back
2. Syr Vondam, Sunstar Exemplar — puts a +1/+1 counter on itself
3. Kaya, Spirits' Justice — copies a permanent
4. Soulherder — puts a +1/+1 counter on itself
5. Kaya's Ghostform — blinks a permanent

1 other card cares about it too. These are the ones with the most connections.

a nontoken Wizard enters the battlefield — 1,243 cards in the game can cause this (Sinister Concierge is one).

1. Inalla, Archmage Ritualist — When Sinister Concierge enters, Inalla, Archmage Ritualist makes a token

a Wizard creature enters the battlefield — 1,264 cards in the game can cause this (Sinister Concierge is one).

1. Diviner's Wand — When Sinister Concierge enters, Diviner's Wand triggers

anything is exiled — 2,497 cards in the game can cause this (Sinister Concierge is one).

1. The War Doctor — When Sinister Concierge is exiled, The War Doctor puts a time counter on itself

1 other card cares about it too. These are the ones with the most connections.

a creature gets a counter — 2,691 cards in the game can cause this (Sinister Concierge is one).

When Sinister Concierge gets a counter:

1. Hollowmurk Siege — draws you 1 card
2. Generous Patron — draws you 1 card
3. Danny Pink — draws you 1 card
4. Bold Plagiarist — puts counters on a permanent
5. Mikey & Leo, Chaos & Order — draws you 1 card
6. Kros, Defense Contractor — triggers
7. Rikku, Resourceful Guardian — triggers

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

a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Sinister Concierge is one).

When Sinister Concierge leaves the battlefield:

1. Tokka & Rahzar, Unsupervised — puts a +1/+1 counter on itself
2. Splinter, the Mentor — makes a token
3. Rat King, Pale Piper — makes a token
4. Dual Nature — exiles a creature

a creature leaves the battlefield — 4,238 cards in the game can cause this (Sinister Concierge is one).

When Sinister Concierge leaves the battlefield:

1. Lunarch Veteran // Luminous Phantom — gains you 1 life
2. Extractor Demon — mills a card
3. Aang, Airbending Master — puts a counter on a permanent
4. Dour Port-Mage — draws you 1 card
5. Vela the Night-Clad — makes each opponent lose 1 life
6. Taeko, the Patient Avalanche — scries
7. Ninth Bridge Patrol — puts a +1/+1 counter on itself
8. Funeral March — makes a player sacrifice a creature
9. Sally Sparrow — triggers
10. Aang, at the Crossroads // Aang, Destined Savior — triggers

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

anything gets a counter — 4,415 cards in the game can cause this (Sinister Concierge is one).

1. All Will Be One — When Sinister Concierge gets a counter, All Will Be One deals that much damage

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

a Human enters the battlefield — 4,639 cards in the game can cause this (Sinister Concierge is one).

When Sinister Concierge enters:

1. General Kudro of Drannith — hits a graveyard
2. Heronblade Elite — puts a +1/+1 counter on itself
3. Kyler, Sigardian Emissary — puts a +1/+1 counter on itself
4. Thalia's Lieutenant — puts a +1/+1 counter on itself
5. Champion of the Parish — puts a +1/+1 counter on itself
6. Captain of the Mists — untaps itself
7. Erkenbrand, Lord of Westfold — gives +1/+0
8. Beregond of the Guard — gives +1/+1
9. Théoden, King of Rohan — grants double strike
10. Lossarnach Captain — taps a creature an opponent controls

2 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 (Sinister Concierge is one).

When Sinister Concierge attacks:

1. Shaun, Father of Synths — makes a token
2. Far Fortune, End Boss — deals 1 damage
3. Temmet, Naktamun's Will — draws you 1 card
4. Invisible Woman — triggers
5. Caesar, Legion's Emperor — sacrifices a creature
6. Guide of Souls — triggers

120 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 (Sinister Concierge is one).

When Sinister Concierge attacks:

1. Adaptive Omnitool — searches a library
2. Saw — sacrifices a creature

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

a creature is cast — 18,010 cards in the game can cause this (Sinister Concierge is one).

When Sinister Concierge is cast:

1. God-Eternal Oketra — makes a token
2. Champions of the Perfect — draws you 1 card

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

a creature enters the battlefield — 19,800 cards in the game can cause this (Sinister Concierge is one).

When Sinister Concierge enters:

1. Scurry Oak — puts a counter on itself
2. Fathom Mage — puts a counter on itself
3. Lonis, Genetics Expert — puts a counter on itself
4. Slash, Reptile Rampager — deals 2 damage
5. Ray Fillet, Wave Warrior — puts a counter on itself
6. The Neutrinos — gets +1/+0
7. Aetherstorm Roc — puts a counter on a permanent you control
8. Raphael, Most Attitude — exiles a card from your library

312 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 (Sinister Concierge is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Sinister Concierge enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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